Page: 7 of 11
Section: 31 of 55 5447 Listings
Sections: | 31 Ma-Mi | | 32 Mi-Mo | | 33 Mo-Ne | | 34
Ne-Ob | | 35 Ob-Pa |
| Feature Name | County | Type | Latitude | Longitude | Alt | USGS 7.5' Map |
| Marina del Rey | Los Angeles | pop place | 335849N | 1182703W | - | Venice |
| Marina del Rey | Los Angeles | harbor | 335858N | 1182653W | - | Venice |
| Marina Pacifica | Los Angeles | locale | 334537N | 1180655W | - | Los Alamitos |
| Marine Avenue Park | Los Angeles | park | 335343N | 1182300W | - | Venice |
| Marine Park | Los Angeles | park | 340021N | 1182752W | - | Beverly Hills |
| Marine Park | Los Angeles | park | 334528N | 1180708W | - | Los Alamitos |
| Marine Stadium | Los Angeles | harbor | 334540N | 1180714W | -- | Los Alamitos |
| Marine Vista Park | Los Angeles | park | 334608N | 1180734W | - | Long Beach |
| Marineland (historical) | Los Angeles | park | 334415N | 1182350W | - | Redondo Beach |
| Marion | Los Angeles | pop place | 341204N | 1183208W | 738 | Canoga Park |
| Marion Organizational Camp | Los Angeles | locale | 342234N | 1174049W | - | Mescal Creek |
| Mariposa Park | Los Angeles | park | 344252N | 1180841W | - | Lancaster West |
| Market (historical) | Los Angeles | pop place | n/a | n/a | - | n/a |
| Market Station Los Angeles Post Office(Est. May 13, 1940) | Los Angeles | post office | 340215N | 1181431W | - | Los Angeles |
| Marle Canyon | Los Angeles | valley | 340152N | 1184235W | - | Malibu Beach |
| Marlow Park | Los Angeles | park | 340556N | 1174306W | - | Ontario |
| Marlow Park | Los Angeles | park | 335820N | 1180957W | - | South Gate |
| Marne | Los Angeles | pop place | 340020N | 1175420W | 404 | Baldwin Park |
| Marple Canyon | Los Angeles | valley | 342936N | 1183657W | - | Newhall |
| Marshall Canyon | Los Angeles | valley | 340910N | 1174453W | - | Mount Baldy |
| Marshall Canyon County Park | Los Angeles | park | 340917N | 1174423W | - | Mount Baldy |
| Marshall Canyon Regional Park | Los Angeles | park | 340917N | 1174423W | - | Mount Baldy |
| Marshall Creek | Los Angeles | stream | 340656N | 1174626W | - | San Dimas |
| Martin Luther King Junior Park | Los Angeles | park | 340050N | 1181827W | - | Hollywood |
| Martin Luther King Junior Park | Los Angeles | park | 334731N | 1181035W | - | Long Beach |
| Martindale Canyon | Los Angeles | valley | 343442N | 1182213W | - | Sleepy Valley |
| Martingale Trailhead Park | Los Angeles | park | 334555N | 1182004W | - | Torrance |
| Martins | Los Angeles | pop place | 343358N | 1183932W | 2700 | Whitaker Peak |
| Marwyck Ranch (historical) | Los Angeles | locale | 341513N | 1183216W | - | Oat Mountain |
| Mary Hitchcock Park | Los Angeles | park | 340021N | 1182859W | - | Beverly Hills |
| Mary Van Dyke Park | Los Angeles | park | 340259N | 1180248W | - | El Monte |
| Mason | Los Angeles | pop place | 340833N | 1181515W | 510 | Burbank |
| Mason Park | Los Angeles | park | 341538N | 1183439W | - | Oat Mountain |
| Matay Canyon | Los Angeles | valley | 342737N | 1175631W | - | Juniper Hills |
| Mattox Canyon | Los Angeles | valley | 342522N | 1181500W | - | Acton |
| Maud Junction (historical) | Los Angeles | locale | n/a | n/a | - | n/a |
| Maugna (historical) | Los Angeles | pop place | n/a | n/a | - | n/a |
| Mausoleum of the Golden West | Los Angeles | cemetery | 340142N | 1181038W | - | Los Angeles |
| Maxson | Los Angeles | pop place | 340434N | 1180025W | 313 | El Monte |
| Maxwell Mine | Los Angeles | mine | 343920N | 1183411W | - | Burnt Peak |
| May Canyon | Los Angeles | valley | 341952N | 1182540W | - | San Fernando |
| May Saddle | Los Angeles | gap | 342123N | 1182549W | - | San Fernando |
| Mayfair Park | Los Angeles | park | 335129N | 1180757W | - | Long Beach |
| Mayflower Village | Los Angeles | pop place | 340654N | 1180032W | El Monte | |
| Mayo Spur | Los Angeles | locale | 342433N | 1184024W | - | Val Verde |
| Mayors Bicentennial Park | Los Angeles | park | 341027N | 1181312W | - | Pasadena |
| Mays Field | Los Angeles | park | 344205N | 1180739W | - | Lancaster West |
| Maywood | Los Angeles | pop place | 335912N | 1181104W | 155 | South Gate |
| Maywood Park | Los Angeles | park | 335917N | 1181036W | - | South Gate |
| Maywood Post Office (Est. April 1, 1925) | Los Angeles | post office | 335916N | 1181113W | - | South Gate |
| McAdam Park | Los Angeles | park | 343430N | 1180435W | - | Palmdale |
| McCambridge Park | Los Angeles | park | 341131N | 1181913W | - | Burbank |
| McCampbell | Los Angeles | pop place | 335817N | 1180645W | 145 | Whittier |
| McCarthy Ranch | Los Angeles | locale | 342604N | 1181355W | 2440 | Acton |
| McClellean Flat | Los Angeles | flat | 342301N | 1174121W | - | Mescal Creek |
| McClure Canyon | Los Angeles | valley | 341234N | 1181934W | - | Burbank |
| McClure Canyon | Los Angeles | valley | 342704N | 1175518W | - | Juniper Hills |
| McCorkle Canyon | Los Angeles | valley | 344306N | 1183041W | - | Burnt Peak |
| McCoy Canyon | Los Angeles | valley | 340911N | 1183825W | - | Calabasas |
| McDonald Creek | Los Angeles | stream | 341414N | 1182052W | - | Burbank |
| McDonald Park | Los Angeles | park | 340945N | 1180735W | - | Pasadena |
| McFarland Ranch | Los Angeles | locale | 342443N | 1175225W | - | Valyermo |
| McGee Lake | Los Angeles | reservoir | 332119N | 1182639W | - | Santa Catalina South |
| McGroarty Park | Los Angeles | park | 341504N | 1181746W | - | Sunland |
| McKinley Canyon | Los Angeles | valley | 341922N | 1181520W | - | Sunland |
| McKinley Industrial Home (historical) | Los Angeles | building | 335153N | 1181751W | - | Torrance |
| McManus Park | Los Angeles | park | 340140N | 1182236W | - | Beverly Hills |
| McMaster Park | Los Angeles | park | 335218N | 1182012W | - | Torrance |
| McNees Park | Los Angeles | park | 335856N | 1180311W | - | Whittier |
| McNeil | Los Angeles | pop place | 341017N | 1182052W | 595 | Burbank |
| Medea Creek | Los Angeles | stream | 340635N | 1184513W | - | Point Dume |
| Medea Creek Park | Los Angeles | park | 340945N | 1184536W | - | Thousand Oaks |
| Media Park | Los Angeles | park | 340133N | 1182333W | - | Beverly Hills |
| Memorial Park | Los Angeles | cemetery | 335849N | 1180757W | - | South Gate |
| Memorial Park | Los Angeles | park | 340116N | 1182846W | - | Beverly Hills |
| Memorial Park | Los Angeles | park | 340737N | 1175439W | - | Azusa |
| Memorial Park | Los Angeles | park | 341228N | 1181217W | - | Pasadena |
| Memory Garden (historic landmark #150) | Los Angeles | park | n/a | n/a | - | n/a |
| Mendenhall Peak | Los Angeles | summit | 342057N | 1181840W | 4640 | Sunland |
| Mendenhall Ridge | Los Angeles | ridge | 342100N | 1181732W | - | Sunland |
| Mendenhall Saddle | Los Angeles | gap | 342053N | 1181814W | - | Sunland |
| Menlo Avenue-West Twenty-ninth Street Historic District | Los Angeles | park | 340149N | 1181722W | - | Hollywood |
| Mentryville (historical) (historic landmark # 516-2) | Los Angeles | pop place | n/a | n/a | - | n/a |
| Merced Theatre (1870) (historic landmark # 171) | Los Angeles | building | n/a | n/a | - | n/a |
| Mesa Peak | Los Angeles | summit | 340345N | 1184305W | 1844 | Malibu Beach |
| Mescal Campground | Los Angeles | locale | 342329N | 1174314W | - | Mescal Creek |
| Mescal Creek | Los Angeles | stream | 343242N | 1174259W | - | El Mirage |
| Mescal Picnic Area | Los Angeles | locale | 342329N | 1174314W | - | Mescal Creek |
| Messenger Flats | Los Angeles | flat | 342256N | 1181134W | - | Acton |
| Messenger Flats Campground | Los Angeles | locale | 342249N | 1181119W | 5800 | Acton |
| Messenger Peak | Los Angeles | summit | 342250N | 1181145W | 6015 | Acton |
| Messer Ranch | Los Angeles | locale | 343535N | 1181423W | - | Ritter Ridge |
| Metaka Organizational Camp | Los Angeles | locale | 342319N | 1174235W | - | Mescal Creek |
| Methodist Episcopal University Church (historical) | Los Angeles | church | 340123N | 1181700W | - | Hollywood |
| Metropolitan (historical) | Los Angeles | pop place | n/a | n/a | - | n/a |
| Metropolitan Spur (historical) | Los Angeles | locale | n/a | n/a | - | n/a |
| Metropolitan Station Los Angeles Post Office (Est. June 1, 1891)(name changed July 24, 1935) | Los Angeles | post office | 340232N | 1181520W | - | Hollywood |
| Mexican Friends Church (historical) | Los Angeles | church | 335839N | 1180247W | - | Whittier |
| Michael Creek | Los Angeles | stream | 343250N | 1184612W | - | Cobblestone Mountain |
| Michelson Street Park | Los Angeles | park | 335127N | 1180852W | - | Long Beach |
| Michigan Park | Los Angeles | park | 335752N | 1180114W | Whittier | |
| Michillinda (historical) | Los Angeles | pop place | n/a | n/a | - | n/a |
| Michillinda Park | Los Angeles | park | 340751N | 1180409W | - | Mount Wilson |
| Middle Breakwater | Los Angeles | dam | 334312N | 1181253W | - | Long Beach |
| Middle Canyon | Los Angeles | valley | 332202N | 1182855W | - | Santa Catalina South |
| Middle Fork Alder Creek | Los Angeles | stream | 342024N | 1180253W | - | Chilao Flat |
| Middle Fork Mill Creek | Los Angeles | stream | 341941N | 1180714W | - | Chilao Flat |
| Middle Lake | Los Angeles | lake | 341546N | 1182245W | - | San Fernando |
| Middle Ranch | Los Angeles | locale | 332114N | 1182626W | - | Santa Catalina South |
| Middle Ranch | Los Angeles | locale | 341703N | 1182212W | - | Sunland |
| Midwick Country Club (historical) | Los Angeles | locale | 340357N | 1180822W | - | Los Angeles |
| Mile High | Los Angeles | pop place | 342446N | 1174623W | 5200 | Valyermo |
| Mile High Ranch | Los Angeles | locale | 342430N | 1174559W | - | Valyermo |
Section: 32 of 55
| Feature Name | County | Type | Latitude | Longitude | Alt | USGS 7.5' Map |
| Miles Park | Los Angeles | park | 335847N | 1181301W | - | South Gate |
| Mill Canyon | Los Angeles | valley | 342614N | 1181444W | - | Acton |
| Mill Creek | Los Angeles | stream | 341833N | 1180832W | - | Condor Peak |
| Mill Creek Forest Service Facility | Los Angeles | locale | 342324N | 1180446W | 4999 | Pacifico Mountain |
| Mill Creek Picnic Grounds | Los Angeles | locale | 342032N | 1180634W | - | Chilao Flat |
| Mill Creek Summit | Los Angeles | gap | 342330N | 1180448W | - | Pacifico Mountain |
| Mill Creek Summit Picnic Ground | Los Angeles | locale | 342327N | 1180452W | 4700 | Pacifico Mountain |
| Millard Campground | Los Angeles | locale | 341303N | 1180844W | - | Pasadena |
| Millard Canyon | Los Angeles | valley | 341216N | 1180957W | - | Pasadena |
| Millard Picnic Area | Los Angeles | locale | 341303N | 1180844W | - | Pasadena |
| Miller Canyon | Los Angeles | valley | 342704N | 1175517W | - | Juniper Hills |
| Miller Ranch | Los Angeles | locale | 340854N | 1183646W | - | Canoga Park |
| Mills Landing | Los Angeles | locale | 332206N | 1182853W | - | Santa Catalina South |
| Mills Park | Los Angeles | park | 340803N | 1174631W | - | Glendora |
| Mine Gulch | Los Angeles | valley | 342035N | 1174337W | - | Mount San Antonio |
| Mine Gulch Camp | Los Angeles | locale | 342038N | 1174332W | - | Mount San Antonio |
| Mine Gulch Campground | Los Angeles | locale | 342038N | 1174332W | - | Mount San Antonio |
| Minero Canyon | Los Angeles | valley | 341409N | 1174942W | - | Glendora |
| Mines Aviation Field | Los Angeles | airport | 335633N | 1182429W | 126 | Venice |
| Mint Canyon | Los Angeles | pop place | 342545N | 1182629W | 1540 | Mint Canyon |
| Mint Canyon | Los Angeles | valley | 342455N | 1182710W | - | Mint Canyon |
| Mint Canyon Campground | Los Angeles | locale | 343002N | 1182251W | - | Green Valley |
| Mint Canyon School (historical) | Los Angeles | school | 342758N | 1182422W | - | Mint Canyon |
| Mint Canyon Spring | Los Angeles | locale | 342932N | 1182306W | - | Mint Canyon |
| Miracle Mile Station Los Angeles Post Office (Est. March 16, 1930)(name changed Sept. 30, 1977 | Los Angeles | post office | 340343N | 1182042W | - | Hollywood |
| Mirage Valley | Los Angeles | valley | 343631N | 1173146W | - | Shadow Mountains |
| Miraleste | Los Angeles | pop place | 334508N | 1181931W | 770 | Torrance |
| Miraleste Canyon | Los Angeles | valley | 334552N | 1181755W | - | Torrance |
| Miramar Park | Los Angeles | park | 334855N | 1182321W | - | Redondo Beach |
| Mirror Building (Site of Butterfield Stage Station) (1859) (historic landmark # 744) | Los Angels | building | n/a | n/a | - | n/a |
| Mision San Fernando Rey De Espaņa (historical) | Los Angeles | church | 341626N | 1182738W | - | San Fernando |
| Mission | Los Angeles | pop place | 343110N | 1181424W | 3330 | Ritter Ridge |
| Mission Acres | Los Angeles | pop place | 341351N | 1182802W | 820 | Van Nuys |
| Mission Creek | Los Angeles | stream | 340130N | 1180411W | - | El Monte |
| Mission Hills | Los Angeles | pop place | 341526N | 1182758W | 910 | San Fernando |
| Mission Junction | Los Angeles | pop place | 340345N | 1181336W | 300 | Los Angeles |
| Mission San Fernando (historical) | Los Angeles | church | 341626N | 1182738W | - | San Fernando |
| Mission San Fernando Rey De Espana (historical) (1797) (historic landmark #157) | Los Angeles | church | 341626N | 1182738W | - | San Fernando |
| Mission of San Gabriel | Los Angeles | civil | 340538N | 1180621W | - | El Monte |
| Mission of San Gabriel | Los Angeles | civil | 340608N | 1180555W | - | El Monte |
| Mission Point | Los Angeles | summit | 341842N | 1183157W | 2771 | Oat Mountain |
| Mission San Gabriel Arcangel (1771) (historic landmark #158) | Los Angeles | church | 340550N | 1180625W | - | El Monte |
| Mission Vieja Station (site) (historic landmark #161) | Los Angeles | locale | 340145N | 1180405W | - | El Monte |
| Mission Wells | Los Angeles | well | 341738N | 1182717W | - | San Fernando |
| Modie Canyon | Los Angeles | valley | 342549N | 1181119W | - | Acton |
| Modie Ranch | Los Angeles | locale | 342543N | 1181152W | 2980 | Acton |
| Mody Canyon | Los Angeles | valley | 342549N | 1181119W | - | Acton |
| Mohahve | Los Angeles | plain | 344500N | 1170000W | - | Stoddard Well |
| Mohave | Los Angeles | plain | 344500N | 1170000W | - | Stoddard Well |
| Mohave Desert | Los Angeles | plain | 344500N | 1170000W | - | Stoddard Well |
| Mohavi | Los Angeles | plain | 344500N | 1170000W | - | Stoddard Well |
| Mohawa | Los Angeles | plain | 344500N | 1170000W | - | Stoddard Well |
| Mohawe | Los Angeles | plain | 344500N | 1170000W | - | Stoddard Well |
| Mohn Springs | Los Angeles | pop place | 340728N | 1183602W | 1200 | Topanga |
| Mojaoes | Los Angeles | plain | 344500N | 1170000W | - | Stoddard Well |
| Mojaris | Los Angeles | plain | 344500N | 1170000W | - | Stoddard Well |
| Mojaur | Los Angeles | plain | 344500N | 1170000W | - | Stoddard Well |
| Mojave | Los Angeles | plain | 344500N | 1170000W | - | Stoddard Well |
| Mojave Desert | Los Angeles | plain | 344500N | 1170000W | - | Stoddard Well |
| Mojave Road (historic landmark # 963) | Los Angeles | other | n/a | n/a | - | n/a |
| Mokhabas | Los Angeles | plain | 344500N | 1170000W | - | Stoddard Well |
| Molxaves | Los Angeles | plain | 344500N | 1170000W | - | Stoddard Well |
| Mona Park | Los Angeles | park | 335520N | 1181347W | - | South Gate |
| Monaco | Los Angeles | pop place | 335223N | 1182130W | 95 | Torrance |
| Moneta (subdivision) | Los Angeles | pop place | 335248N | 1181900W | 43 | Inglewood |
| Monogram Ranch | Los Angeles | locale | 342318N | 1183054W | - | Newhall |
| Monroe Canyon | Los Angeles | valley | 341027N | 1174830W | - | Glendora |
| Monrovia | Los Angeles | pop place | 340853N | 1175953W | 560 | Azusa |
| Monrovia Canyon | Los Angeles | valley | 341028N | 1175920W | - | Azusa |
| Monrovia Mountain Park | Los Angeles | park | 341035N | 1175915W | - | Azusa |
| Monrovia Peak | Los Angeles | summit | 341247N | 1175805W | 5409 | Azusa |
| Monstad Pier(1927) | Los Angeles | locale | 335020N | 1182327W | - | Redondo Beach |
| Montana Ranch (historical) | Los Angeles | locale | 335035N | 1180707W | - | Los Alamitos |
| Monte (historical) | Los Angeles | pop place | 340407N | 1180136W | 283 | El Monte |
| Monte Cristo Campground | Los Angeles | locale | 342032N | 1180634W | - | Chilao Flat |
| Monte Cristo Creek | Los Angeles | stream | 342039N | 1180633W | - | Chilao Flat |
| Monte Cristo Mine | Los Angeles | mine | 342112N | 1180514W | - | Chilao Flat |
| Monte Cristo Station | Los Angeles | locale | 341945N | 1180720W | 3400 | Chilao Flat |
| Monte Nido | Los Angeles | pop place | 340451N | 1184110W | 590 | Malibu Beach |
| Monte Nido Fire Station | Los Angeles | locale | 340441N | 1184134W | 599 | Malibu Beach |
| Montebello | Los Angeles | pop place | 340034N | 1180616W | 200 | El Monte |
| Montebello Gardens (historical) | Los Angeles | pop place | n/a | n/a | - | El Monte |
| Montebello Hills | Los Angeles | other | 340157N | 1180511W | - | El Monte |
| Montebello Park | Los Angeles | park | 340035N | 1180652W | - | El Monte |
| Montecito Park | Los Angeles | park | 340530N | 1181137W | - | Los Angeles |
| Monteith Park | Los Angeles | park | 335957N | 1182011W | Inglewood | |
| Monterey Hills (historical) | Los Angeles | pop place | n/a | n/a | - | Los Angeles |
| Monterey Park | Los Angeles | pop place | 340345N | 1180719W | 381 | El Monte |
| Monterey Pass | Los Angeles | gap | 340313N | 1180856W | - | Los Angeles |
| Monteria Lake | Los Angeles | lake | 341607N | 1183413W | - | Oat Mountain |
| Monteverde Park | Los Angeles | park | 335032N | 1180550W | - | Los Alamitos |
| Montgomery Ranch | Los Angeles | locale | 342516N | 1180721W | - | Pacifico Mountain |
| Montrose | Los Angeles | pop place | 341223N | 1181324W | 1260 | Pasadena |
| Montrose Community Park | Los Angeles | park | 341205N | 1181328W | - | Pasadena |
| Montvue Park | Los Angeles | park | 340428N | 1174316W | - | Ontario |
| Moody Canyon | Los Angeles | valley | 342549N | 1181119W | - | Acton |
| Moody Creek | Los Angeles | stream | 335004N | 1180340W | - | Los Alamitos |
| Moody Springs | Los Angeles | spring | 343646N | 1174230W | - | El Mirage |
| Moonstone Beach | Los Angeles | beach | 332320N | 1182201W | - | Santa Catalina East |
| Moonstone Cove | Los Angeles | bay | 332322N | 1182200W | - | Santa Catalina East |
| Moor Field | Los Angeles | park | 340455N | 1180746W | - | Los Angeles |
| Moorpark Park | Los Angeles | park | 340903N | 1182342W | - | Van Nuys |
| Morgan Canyon | Los Angeles | valley | 340828N | 1174910W | - | Glendora |
| Morgan Park | Los Angeles | park | 340513N | 1175746W | - | Baldwin Park |
| Mormon Canyon | Los Angeles | valley | 341746N | 1183528W | - | Oat Mountain |
| Mormon Island | Los Angeles | island | 334535N | 1181548W | - | Torrance |
| Morningside Park | Los Angeles | pop place | 335735N | 1181932W | 215 | Inglewood |
| Morningside Cemetery (historic landmark # 753) | Los Angeles | cemetery | n/a | n/a | - | n/a |
| Morningside Park Reservoir | Los Angeles | reservoir | 335719N | 1181935W | - | Inglewood |
| Morris 35-005 Dam | Los Angeles | dam | 341024N | 1175248W | - | Azusa |
| Morris Dam | Los Angeles | dam | 341029N | 1175249W | - | Azusa |
| Morris Reservoir | Los Angeles | reservoir | 341027N | 1175246W | 1152 | Azusa |
| Morris S Jones 19-003 Dam | Los Angeles | dam | 340942N | 1180430W | - | Mount Wilson |
| Morrison Ranch (historical) | Los Angeles | locale | 343516N | 1174633W | - | Lovejoy Buttes |
| Morton | Los Angeles | pop place | 335450N | 1181059W | 82 | South Gate |
| Mosquito Cove | Los Angeles | bay | 325136N | 1182356W | - | San Clemente Island South |
| Moss Spring | Los Angeles | spring | 342258N | 1175353W | - | Juniper Hills |
| Motordrome (historical) | Los Angeles | pop place | 335807N | 1182618W | 5 | Venice |
| Mount Baden-Powell | Los Angeles | summit | 342131N | 1174549W | 9399 | Crystal Lake |
| Mount Baldy District Ranger Office | Los Angeles | locale | 340807N | 1175032W | 860 | Glendora |
| Mount Banning | Los Angeles | summit | 332218N | 1182610W | 1734 | Santa Catalina South |
| Mount Bliss | Los Angeles | summit | 341104N | 1175659W | 3720 | Azusa |
| Mount Burnham | Los Angeles | summit | 342133N | 1174649W | 8997 | Crystal Lake |
| Mount Carmel Cemetery | Los Angeles | cemetery | 335828N | 1180833W | - | South Gate |
| Mount Carmel Park | Los Angeles | park | 335833N | 1181717W | - | Inglewood |
| Mount Disappointment | Los Angeles | summit | 341448N | 1180614W | 5960 | Mount Wilson |
| Mount Emma | Los Angeles | summit | 342738N | 1180405W | 5273 | Pacifico Mountain |
| Mount Emma Ridge | Los Angeles | ridge | 342801N | 1180332W | - | Pacifico Mountain |
| Mount Gleason | Los Angeles | summit | 342236N | 1181035W | 6520 | Acton |
| Mount Gleason Campground | Los Angeles | locale | 342219N | 1181101W | - | Condor Peak |
| Mount Harvard | Los Angeles | summit | 341248N | 1180340W | 5441 | Mount Wilson |
| Mount Hawkins | Los Angeles | summit | 342029N | 1174815W | 8850 | Crystal Lake |
Section: 33 of 55
| Feature Name | County | Type | Latitude | Longitude | Alt | USGS 7.5' Map |
| Mount Hillyer | Los Angeles | summit | 342058N | 1180054W | 6162 | Chilao Flat |
| Mount Hollywood | Los Angeles | summit | 340741N | 1181801W | 1625 | Burbank |
| Mount Islip | Los Angeles | summit | 342042N | 1175020W | 8250 | Crystal Lake |
| Mount Kinneola | Los Angeles | summit | 341248N | 1180340W | 5441 | Mount Wilson |
| Mount Lawlor | Los Angeles | summit | 341615N | 1180611W | 5957 | Chilao Flat |
| Mount Lee | Los Angeles | summit | 340805N | 1181912W | 1680 | Burbank |
| Mount Lewis | Los Angeles | summit | 342219N | 1174818W | 8396 | Crystal Lake |
| Mount Lowe | Los Angeles | summit | 341355N | 1180618W | 5603 | Mount Wilson |
| Mount Lowe Campground | Los Angeles | locale | 341335N | 1180634W | - | Mount Wilson |
| Mount Lowe Park | Los Angeles | park | 341149N | 1180733W | - | Pasadena |
| Mount Lowe Railway Historical Marker | Los Angeles | park | 341240N | 1180711W | 3207 | Mount Wilson |
| Mount Lowe Trail Camp | Los Angeles | locale | 341335N | 1180634W | - | Mount Wilson |
| Mount Lukens | Los Angeles | summit | 341608N | 1181417W | 5074 | Condor Peak |
| Mount Markham | Los Angeles | summit | 341413N | 1180553W | 5742 | Mount Wilson |
| Mount McDill | Los Angeles | summit | 343359N | 1181627W | 5187 | Sleepy Valley |
| Mount McKinley | Los Angeles | summit | 342022N | 1181549W | 4926 | Sunland |
| Mount Mesa | Los Angeles | summit | 344627N | 1174706W | 3175 | Rogers Lake South |
| Mount Mesa Sanitarium (historical) | Los Angeles | hospital | 344643N | 1174622W | 3070 | Rogers Lake South |
| Mount Mooney | Los Angeles | summit | 341821N | 1180024W | 5840 | Chilao Flat |
| Mount Oak Campground | Los Angeles | locale | 342341N | 1174345W | - | Mescal Creek |
| Mount Olive Cemetery | Los Angeles | cemetery | 335913N | 1180243W | - | Whittier |
| Mount Olive Cemetery | Los Angeles | cemetery | 335849N | 1180757W | - | South Gate |
| Mount Olivet Reservoir | Los Angeles | reservoir | 340238N | 1182830W | - | Beverly Hills |
| Mount Orizaba | Los Angeles | summit | 332237N | 1182502W | 2100 | Santa Catalina North |
| Mount Pacifico Campground | Los Angeles | locale | 342258N | 1180159W | - | Pacifico Mountain |
| Mount Parkinson | Los Angeles | summit | 342735N | 1181304W | 4131 | Acton |
| Mount Pines | Los Angeles | summit | 344653N | 1185210W | 4709 | Lebec |
| Mount Sally | Los Angeles | summit | 341620N | 1180048W | 5408 | Chilao Flat |
| Mount San Antonio (historical) | Los Angeles | pop place | n/a | n/a | - | n/a |
| Mount San Antonio | Los Angeles | summit | 341720N | 1173845W | 10064 | Mount San Antonio |
| Mount Sinai Memorial Park | Los Angeles | cemetery | 340900N | 1181851W | - | Burbank |
| Mount Torquemada | Los Angeles | summit | 332604N | 1183114W | 1336 | Santa Catalina West |
| Mount View Organizational Camp | Los Angeles | locale | 342211N | 1174058W | 7120 | Mount San Antonio |
| Mount View Organizational Camp | Los Angeles | locale | 342207N | 1174058W | 6920 | Mount San Antonio |
| Mount Washington | Los Angeles | pop place | 340557N | 1181310W | 700 | Los Angeles |
| Mount Williamson | Los Angeles | summit | 342216N | 1175125W | 8214 | Crystal Lake |
| Mount Wilson | Los Angeles | pop place | 341335N | 1180355W | 5680 | Mount Wilson |
| Mount Wilson | Los Angeles | summit | 341326N | 1180337W | 5710 | Mount Wilson |
| Mount Wilson Observatory | Los Angeles | building | 341333N | 1180323W | - | Mount Wilson |
| Mount Wilson Trail | Los Angeles | trail | 341154N | 1180312W | - | Mount Wilson |
| Mount Wilson Trail Park | Los Angeles | park | 341012N | 1180250W | - | Mount Wilson |
| Mount Zion | Los Angeles | summit | 341251N | 1180138W | 3575 | Mount Wilson |
| Mount Zion Cemetery | Los Angeles | cemetery | 340117N | 1181039W | - | Los Angeles |
| Mountain Brook Ranch | Los Angeles | locale | 342634N | 1174952W | - | Valyermo |
| Mountain View Cemetery | Los Angeles | cemetery | 341110N | 1180853W | - | Pasadena |
| Mountain View Mausoleum | Los Angeles | cemetery | 341106N | 1180834W | - | Pasadena |
| Mountain View Park | Los Angeles | park | 340319N | 1180116W | - | El Monte |
| Mountain View Park | Los Angeles | park | 340929N | 1181855W | - | Burbank |
| Moyave | Los Angeles | plain | 344500N | 1170000W | - | Stoddard Well |
| Mud Springs | Los Angeles | pop place | 340624N | 1174821W | 952 | San Dimas |
| Mud Spring | Los Angeles | spring | 344236N | 1182501W | - | Lake Hughes |
| Mueller Tunnel | Los Angeles | tunnel | 341427N | 1180544W | - | Mount Wilson |
| Muir Peak | Los Angeles | summit | 341256N | 1180605W | 4688 | Mount Wilson |
| Muirs Peak | Los Angeles | summit | 341256N | 1180605W | 4688 | Mount Wilson |
| Mule Fork | Los Angeles | stream | 341908N | 1180301W | - | Chilao Flat |
| Mulholland 6-017 Dam | Los Angeles | dam | 340704N | 1181949W | - | Hollywood |
| Mull Canyon | Los Angeles | valley | 340828N | 1174936W | - | Glendora |
| Mullally Canyon | Los Angeles | valley | 341428N | 1181313W | - | Pasadena |
| Municipal Park | Los Angeles | park | 340449N | 1182441W | 350 | Beverly Hills |
| Municipal Pier | Los Angeles | locale | 340031N | 1182949W | - | Beverly Hills |
| Munz Canyon | Los Angeles | valley | 344001N | 1182511W | - | Lake Hughes |
| Munz Lakes | Los Angeles | lake | 344022N | 1182553W | - | Lake Hughes |
| Munz Ranch | Los Angeles | locale | 344005N | 1182519W | - | Lake Hughes |
| Murphy Memorial Hospital (historical) | Los Angeles | hospital | 335855N | 1180143W | 460 | Whittier |
| Murphy Ranch (historical) | Los Angeles | locale | 335715N | 1175950W | - | La Habra |
| Murphy Ranch Park | Los Angeles | park | 335728N | 1175900W | - | La Habra |
| Museum of Flying | Los Angeles | building | 340103N | 1182703W | - | Beverly Hills |
| Myrick Canyon | Los Angeles | valley | 344253N | 1182204W | - | Del Sur |
| Myrick Cutoff | Los Angeles | trail | 344109N | 1182647W | - | Lake Hughes |
| Mystic Canyon | Los Angeles | valley | 344323N | 1184810W | - | Black Mountain |
| Mystic Canyon | Los Angeles | valley | 340934N | 1174940W | - | Glendora |
| Mystic Canyon | Los Angeles | valley | 343039N | 1182501W | - | Green Valley |
| Nacaugna (historical) | Los Angeles | pop place | n/a | n/a | - | n/a |
| Nadeau | Los Angeles | pop place | 335756N | 1181432W | 138 | South Gate |
| Naksat | Los Angeles | plain | 344500N | 1170000W | - | Stoddard Well |
| Naples | Los Angeles | pop place | 334516N | 1180722W | 5 | Los Alamitos |
| Nat King Cole Post Office (Est. n/a) | Los Angeles | post office | 335750N | 1181726W | - | Inglewood |
| Native Son Mine | Los Angeles | mine | 342021N | 1174123W | - | Mount San Antonio |
| Natural Arch | Los Angeles | arch | 340222N | 1183432W | - | Topanga |
| Naud Junction | Los Angeles | pop place | 340338N | 1181407W | 290 | Los Angeles |
| Navy and Marine Corps Reserve Center (1941) (historic landmark # 972) | Los Angeles | building | n/a | n/a | - | n/a |
| Navy Landing | Los Angeles | locale | 334547N | 1181155W | - | Long Beach |
| Naylor Place | Los Angeles | pop place | 343616N | 1183952W | 1635 | Whitaker Peak |
| Naval (historical) | Los Angeles | pop place | n/a | n/a | - | n/a |
| Necktie Basin | Los Angeles | basin | 343542N | 1183513W | - | Warm Springs Mountain |
| Necktie Canyon | Los Angeles | valley | 343252N | 1183715W | - | Warm Springs Mountain |
| Neenach (historical) | Los Angeles | pop place | n/a | n/a | - | n/a |
| Neenach Ranch | Los Angeles | locale | 344633N | 1183403W | - | Neenach School |
| Neenach Substation | Los Angeles | locale | 344629N | 1183002W | 2820 | Neenach School |
| Neff Park | Los Angeles | park | 335353N | 1180129W | - | Whittier |
| Negrohead Mountain | Los Angeles | summit | 340635N | 1184832W | 2039 | Point Dume |
| Nehr Canyon | Los Angeles | valley | 341918N | 1182012W | - | Sunland |
| Nellus Canyon | Los Angeles | valley | 342627N | 1181744W | - | Agua Dulce |
| Nelson Canyon | Los Angeles | valley | 342622N | 1181729W | - | Agua Dulce |
| Nelson Ranch | Los Angeles | locale | 342620N | 1181733W | - | Agua Dulce |
| Nevin | Los Angeles | pop place | 340051N | 1181443W | 212 | Los Angeles |
| New Calvary Cemetery | Los Angeles | cemetery | 340142N | 1181033W | - | Los Angeles |
| New Chinatown | Los Angeles | pop place | 340345N | 1181417W | 310 | Los Angeles |
| New Era School (historical) | Los Angeles | school | 342732N | 1182920W | - | Mint Canyon |
| New River Park | Los Angeles | park | 335427N | 1180603W | - | Whittier |
| New San Pedro | Los Angeles | pop place | 334648N | 1181542W | 35 | Torrance |
| New Temple Park | Los Angeles | park | 340235N | 1180233W | - | El Monte |
| New York Park | Los Angeles | park | 341359N | 1181509W | - | Burbank |
| Newark (historical) | Los Angeles | pop place | n/a | n/a | - | n/a |
| Newcastle Park | Los Angeles | park | 340845N | 1180202W | - | Mount Wilson |
| Newcomb Pass | Los Angeles | gap | 341357N | 1180135W | - | Mount Wilson |
| Newcomb Pier | Los Angeles | locale | 340030N | 1182949W | - | Beverly Hills |
| Newcomb Ranch | Los Angeles | locale | 341947N | 1180004W | - | Chilao Flat |
| Newhall | Los Angeles | pop place | 342305N | 1183148W | 1272 | Newhall |
| Newhall Creek | Los Angeles | stream | 342338N | 1183217W | - | Newhall |
| Newhall Post Office (Est. Jan. 16, 1877) | Los Angeles | post office | 342251N | 1183142W | - | Newhall |
| Newhall Potrero Oil Field | Los Angeles | oilfield | 342404N | 1183840W | - | Val Verde |
| Newhall Ranch | Los Angeles | locale | 342618N | 1183617W | - | Newhall |
| Newhall Tunnel | Los Angeles | tunnel | 342105N | 1183049W | - | Oat Mountain |
| Newman Point | Los Angeles | cape | 341155N | 1175027W | - | Glendora |
| Newmark | Los Angeles | pop place | 340034N | 1180616W | 200 | El Monte |
| Newton | Los Angeles | pop place | 340527N | 1181042W | 580 | Los Angeles |
| Newton Canyon | Los Angeles | valley | 340438N | 1184902W | - | Point Dume |
| Newton Park (subdivision) | Los Angeles | pop place | 340527N | 1181042W | 580 | Los Angeles |
Section: 34 of 55
| Feature Name | County | Type | Latitude | Longitude | Alt | USGS 7.5' Map |
| Newtown | Los Angeles | pop place | 334648N | 1181542W | 35 | Torrance |
| Nibley Park | Los Angeles | park | 340950N | 1181415W | - | Pasadena |
| Nicholas Canyon | Los Angeles | valley | 340224N | 1185350W | - | Triunfo Pass |
| Nicholas Canyon | Los Angeles | valley | 340238N | 1185448W | - | Triunfo Pass |
| Nicholas Canyon County Beach | Los Angeles | park | 340230N | 1185451W | - | Triunfo Pass |
| Nicholas Flat | Los Angeles | flat | 340400N | 1185428W | - | Triunfo Pass |
| Nicholas Flat Trail | Los Angeles | trail | 340320N | 1185537W | - | Triunfo Pass |
| Nichols Canyon | Los Angeles | valley | 340611N | 1182128W | - | Hollywood |
| Nichols Farms Airport | Los Angeles | airport | 343519N | 1174933W | 2700 | Lovejoy Buttes |
| Nicholson Flat | Los Angeles | flat | 340400N | 1185428W | - | Triunfo Pass |
| Nickerson Gardens (subdivision) | Los Angeles | pop place | 335555N | 1181451W | 96 | South Gate |
| Nigger Slough | Los Angeles | lake | 334714N | 1181733W | - | Torrance |
| Niggerhead Mountain | Los Angeles | summit | 340635N | 1184832W | 2039 | Point Dume |
| Niles Ranch | Los Angeles | locale | 342525N | 1180723W | - | Pacifico Mountain |
| Ninetynine Oaks | Los Angeles | pop place | 342833N | 1183657W | 1110 | Newhall |
| Nino Canyon | Los Angeles | valley | 341336N | 1181048W | - | Pasadena |
| Nino Picnic Area | Los Angeles | locale | 341333N | 1181045W | 1550 | Pasadena |
| Ninth Street Junction | Los Angeles | pop place | 340113N | 1181311W | 240 | Los Angeles |
| Noel Canyon | Los Angeles | valley | 342142N | 1181807W | - | Sunland |
| Norman O Houston Park | Los Angeles | park | 335956N | 1182123W | - | Inglewood |
| Normandale Playground | Los Angeles | park | 334923N | 1181759W | - | Torrance |
| Normandie Avenue Methodist Episcopal Church (historical) | Los Angeles | church | 340103N | 1181757W | - | Hollywood |
| Normandie Playground | Los Angeles | park | 340240N | 1181757W | - | Hollywood |
| North Atwater Park | Los Angeles | park | 340806N | 1181621W | - | Burbank |
| North Bald | Los Angeles | summit | 341720N | 1173845W | 10064 | Mount San Antonio |
| North Baldy Peak | Los Angeles | summit | 342102N | 1174755W | 9138 | Crystal Lake |
| North Beach | Los Angeles | beach | 340245N | 1185643W | - | Triunfo Pass |
| North Beach Campground | Los Angeles | locale | 340243N | 1185629W | - | Triunfo Pass |
| North El Monte | Los Angeles | pop place | 340610N | 1180124W | - | El Monte |
| North Fork Alder Creek | Los Angeles | stream | 342106N | 1180300W | - | Chilao Flat |
| North Fork Fish Canyon | Los Angeles | valley | 344141N | 1183519W | - | Burnt Peak |
| North Fork Mill Creek | Los Angeles | stream | 341902N | 1180801W | - | Condor Peak |
| North Fork Pacoima Canyon | Los Angeles | valley | 342231N | 1181611W | - | Agua Dulce |
| North Fork Saddle Picnic Area | Los Angeles | locale | 342318N | 1181504W | 4200 | Agua Dulce |
| North Fork Saddle Station | Los Angeles | locale | 342317N | 1181508W | 4200 | Agua Dulce |
| North Fork Saddle Forest Service Facility | Los Angeles | locale | 342317N | 1181508W | 4200 | Agua Dulce |
| North Fork San Gabriel River | Los Angeles | stream | 341430N | 1175212W | - | Glendora |
| North Fork San Gabriel River | Los Angeles | stream | 341727N | 1175022W | - | Crystal Lake |
| North Fork Santa Anita Canyon | Los Angeles | valley | 341253N | 1180109W | - | Mount Wilson |
| North Fork Trail Canyon | Los Angeles | valley | 341950N | 1181452W | - | Condor Peak |
| North Glendale | Los Angeles | pop place | 340938N | 1181549W | 525 | Burbank |
| North Head Lighthouse | Los Angeles | locale | 330149N | 1183542W | 189 | San Clemente Island North |
| North Highland Park (subdivision) | Los Angeles | pop place | 340728N | 1181210W | 610 | Los Angeles |
| North Hollywood | Los Angeles | pop place | 341020N | 1182241W | 650 | Van Nuys |
| North Hollywood Park | Los Angeles | park | 340954N | 1182247W | - | Van Nuys |
| North Long Beach | Los Angeles | pop place | 335136N | 1181105W | 45 | Long Beach |
| North Long Canyon | Los Angeles | valley | 344432N | 1183051W | - | Burnt Peak |
| North Los Angeles (historical) | Los Angeles | pop place | n/a | n/a | - | n/a |
| North Oaks Park | Los Angeles | park | 342540N | 1182828W | - | Mint Canyon |
| North Pacoima Park | Los Angeles | park | 341651N | 1182420W | - | San Fernando |
| North Park | Los Angeles | park | 335847N | 1182049W | - | Inglewood |
| North Pomona | Los Angeles | pop place | 340524N | 1174458W | 1040 | Ontario |
| North Ridge | Los Angeles | pop place | 341342N | 1183209W | 812 | Canoga Park |
| North Sherman Way | Los Angeles | pop place | 341202N | 1182654W | 746 | Van Nuys |
| North Terrace (historical) | Los Angeles | pop place | n/a | n/a | - | n/a |
| Northridge | Los Angeles | pop place | 341342N | 1183209W | 812 | Canoga Park |
| Northside Park | Los Angeles | park | 340832N | 1175447W | - | Azusa |
| Northview Park | Los Angeles | park | 340811N | 1175800W | - | Azusa |
| Northwest Harbor | Los Angeles | bay | 330157N | 1183500W | - | San Clemente Island North |
| Northwest Slip | Los Angeles | harbor | 334600N | 1181638W | - | Torrance |
| Norwalk | Los Angeles | pop place | 335408N | 1180451W | 92 | Whittier |
| Norwalk Park | Los Angeles | park | 335435N | 1180413W | - | Whittier |
| Nuestra Senora La Reina De Los Angeles (historic landmark #144) | Los Angeles | church | 340325N | 1181419W | - | Los Angeles |
| Nugget Point | Los Angeles | cape | 343942N | 1184650W | 2580 | Black Mountain |
| Oak Avenue Playground | Los Angeles | park | 335432N | 1181253W | 73 | South Gate |
| Oak Canyon | Los Angeles | valley | 342834N | 1184306W | - | Val Verde |
| Oak Canyon | Los Angeles | valley | 341346N | 1174638W | - | Glendora |
| Oak Canyon Oil Field | Los Angeles | oilfield | 342832N | 1184134W | - | Val Verde |
| Oak Flat | Los Angeles | flat | 344316N | 1183611W | - | Burnt Peak |
| Oak Flat Playground | Los Angeles | locale | 343558N | 1184323W | - | Whitaker Peak |
| Oak Flat Spring | Los Angeles | spring | 343556N | 1184323W | - | Whitaker Peak |
| Oak Flats | Los Angeles | flat | 343616N | 1184342W | - | Whitaker Peak |
| Oak Grove District Ranger Station | Los Angeles | locale | 341145N | 1181030W | - | Pasadena |
| Oak Grove Park | Los Angeles | park | 341136N | 1181035W | - | Pasadena |
| Oak Grove Ranger Station | Los Angeles | locale | 341145N | 1181030W | - | Pasadena |
| Oak Hill | Los Angeles | pop place | 340355N | 1184703W | 1225 | Point Dume |
| Oak Knoll | Los Angeles | pop place | 340728N | 1180806W | 740 | Los Angeles |
| Oak of the Golden Dream (1842) (historic landmark # 168) (actual site in Placerita Canyon State Park) | Los Angeles | locale | 372242N | 1183347W | 1325 | Newhall |
| Oak Park | Los Angeles | park | 341017N | 1175934W | - | Azusa |
| Oak School (historical) | Los Angeles | school | 335719N | 1182157W | - | Inglewood |
| Oak Spring | Los Angeles | spring | 341829N | 1181929W | - | Sunland |
| Oak Spring Canyon | Los Angeles | valley | 341820N | 1182034W | - | Sunland |
| Oak Spring Canyon | Los Angeles | valley | 341820N | 1182034W | - | Sunland |
| Oak Spring Canyon | Los Angeles | valley | 342523N | 1182449W | - | Mint Canyon |
| Oak Spring Trail | Los Angeles | trail | 341839N | 1181931W | - | Sunland |
| Oakdale Canyon | Los Angeles | valley | 342401N | 1183144W | - | Newhall |
| Oakdale Canyon | Los Angeles | valley | 344413N | 1183608W | - | Burnt Peak |
| Oakdale Memorial Park | Los Angeles | cemetery | 340641N | 1175234W | - | Baldwin Park |
| Oakgrove Canyon | Los Angeles | valley | 344414N | 1183557W | - | Burnt Peak |
| Oakhurst Park | Los Angeles | park | 340359N | 1182322W | - | Beverly Hills |
| Oaks Picnic Area | Los Angeles | locale | 341346N | 1174643W | - | Glendora |
| Oakwide Picnic Area | Los Angeles | park | 341444N | 1181104W | - | Pasadena |
| Oakwilde Campground | Los Angeles | park | 341444N | 1181104W | - | Pasadena |
| Oakwood (historical) | Los Angeles | pop place | n/a | n/a | - | Hollywood |
| Oakwood Cemetery | Los Angeles | cemetery | 341506N | 1183711W | - | Oat Mountain |
| Oakwood Playground | Los Angeles | park | 335945N | 1182753W | - | Venice |
| Oakwood Station Los Angeles Post Office (Est. Dec. 16, 1949) | Los Angeles | post office | 340437N | 1181829W | - | Hollywood |
| Oat Mountain | Los Angeles | summit | 341947N | 1183559W | 3747 | Oat Mountain |
| Oban | Los Angeles | pop place | 344628N | 1180850W | 2300 | Rosamond |
| Obed | Los Angeles | pop place | n/a | n/a | - | South Gate |
Section: 35 of 55
| Feature Name | County | Type | Latitude | Longitude | Alt | USGS 7.5' Map |
| Obed Post Office (Est. June 4, 1892) name changed May 3, 1898 |
Los Angeles | post office | 335846N | 1181130W | - | South Gate |
| Oberg (historical) | Los Angeles | pop place | 342600N | 1183533W | 1045 | Newhall |
| Obregon Park | Los Angeles | park | 340216N | 1181034W | - | Los Angeles |
| Occidental Peak | Los Angeles | summit | 341406N | 1180456W | 5732 | Mount Wilson |
| Ocean Park | Los Angeles | pop place | 340008N | 1182858W | 23 | Beverly Hills |
| Ocean Park Heights | Los Angeles | pop place | 340017N | 1182548W | 69 | Beverly Hills |
| Ocean Park Pier | Los Angeles | locale | 335939N | 1182906W | - | Venice |
| Ocean Park Pier (historical) | Los Angeles | locale | 335944N | 1182900W | - | Venice |
| Ocean Park Station Santa Monica Post Office (Est. July 20, 1899) | Los Angeles | post office | 335959N | 1182855W | - | Venice |
| Ocean View School (historical) | Los Angeles | school | 335202N | 1182354W | - | Redondo Beach |
| Oceanpark | Los Angeles | pop place | 340008N | 1182858W | 23 | Beverly Hills |
| Okowvinjha (historical) | Los Angeles | pop place | n/a | n/a | - | n/a |
| Old Bailey Ranch | Los Angeles | locale | 344617N | 1184540W | 3320 | Lebec |
| Old Bailey Ranch | Los Angeles | locale | 344621N | 1184537W | - | Lebec |
| Old Baldy | Los Angeles | summit | 341720N | 1173845W | 10064 | Mount San Antonio |
| Old Baldy Peak | Los Angeles | summit | 341720N | 1173845W | 10064 | Mount San Antonio |
| Old Camp | Los Angeles | locale | 341936N | 1180016W | - | Chilao Flat |
| Old Chinatown (historical) (Union Station built on this site in 1930's) | Los Angeles | pop place | 340322N | 1181409W | 280 | Los Angeles |
| Old Downey Cemetery | Los Angeles | cemetery | 335437N | 1180824W | 89 | South Gate |
| Old Hope Ranch | Los Angeles | locale | 340531N | 1184247W | - | Malibu Beach |
| Old Iron Pier (historical) (destroyed in 1913) | Los Angeles | locale | 335301N | 1182446W | - | Venice |
| Old Mill (1816) (historic landmark #302) | Los Angeles | building | n/a | n/a | - | n/a |
| Old Mission (historical) | Los Angeles | pop place | n/a | n/a | - | n/a |
| Old Orchard Park | Los Angeles | park | 342248N | 1183249W | - | Newhall |
| Old Pasadena Historic District | Los Angeles | park | 340845N | 1180858W | - | Pasadena |
| Old Plaza Firehoue (1884) (historic landmark # 730) | Los Angeles | building | n/a | n/a | - | n/a |
| Old Point Comfort | Los Angeles | pop place | 342455N | 1174958W | 4160 | Valyermo |
| Old Rex Allen Ranch | Los Angeles | locale | 340558N | 1184157W | - | Malibu Beach |
| Old Romanski Church (historical) | Los Angeles | church | 340154N | 1180920W | - | Los Angeles |
| Old Salt Lake (historic landmark # 373) | Los Angeles | lake | n/a | n/a | - | n/a |
| Old Santa Monica Forestry Station (1887) (historic landmark # 840) | Los Angeles | building | n/a | n/a | - | n/a |
| Old Short Cut (1900) (historic landmark # 632) | Los Angeles | building | n/a | n/a | - | n/a |
| Ols Whaling Station (Site) (1874) (historic landmark # 381) | Los Angeles | building | n/a | n/a | - | n/a |
| Old Topanga Canyon | Los Angeles | valley | 340525N | 1183615W | - | Topanga |
| Ole Hammer Park | Los Angeles | park | 340828N | 1175113W | Glendora | |
| Olga | Los Angeles | pop place | 340645N | 1180953W | 660 | Los Angeles |
| Olive Avenue Park | Los Angeles | park | 340841N | 1180036W | - | Mount Wilson |
| Olive Grove Cemetery | Los Angeles | cemetery | 335644N | 1180301W | - | Whittier |
| Olive Hill | Los Angeles | summit | 340558N | 1181735W | 480 | Hollywood |
| Olive Lawn Memorial Park | Los Angeles | park | 335416N | 1180035W | - | Whittier |
| Olive Park | Los Angeles | park | 340841N | 1180036W | - | Mount Wilson |
| Olive View | Los Angeles | pop place | 341928N | 1182634W | 1440 | San Fernando |
| Oliver Canyon | Los Angeles | valley | 341630N | 1182052W | - | Sunland |
| Omaha Heights (subdivision) | Los Angeles | pop place | 340453N | 1181115W | 760 | Los Angeles |
| Omelveny Park | Los Angeles | park | 341841N | 1183113W | - | Oat Mountain |
| Opids Camp | Los Angeles | locale | 341518N | 1180540W | 4248 | Chilao Flat |
| Orange Avenue Junction | Los Angeles | pop place | 340533N | 1175632W | 415 | Baldwin Park |
| Orange Grove Park | Los Angeles | park | 340923N | 1180305W | - | Mount Wilson |
| Orangewood Park | Los Angeles | park | 340352N | 1175649W | - | Baldwin Park |
| Orcas Park | Los Angeles | park | 341615N | 1182203W | - | Sunland |
| Orchard Camp (historical) | Los Angeles | locale | 341156N | 1180311W | - | Mount Wilson |
| Orcutt Park | Los Angeles | park | 341259N | 1183612W | - | Canoga Park |
| Orizaba Mountain | Los Angeles | summit | 332237N | 1182502W | 2100 | Santa Catalina North |
| Orizaba Park | Los Angeles | park | 334705N | 1180923W | - | Long Beach |
| Oro Fino Canyon | Los Angeles | valley | 342323N | 1183031W | - | Newhall |
| Orr Park | Los Angeles | park | 335515N | 1180458W | - | Whittier |
| Orr Spring Canyon | Los Angeles | valley | 344106N | 1182822W | - | Lake Hughes |
| Ortega (1795) - Vigare (1859) Adobe (historic landmark # 451) | Los Angeles | building | n/a | n/a | - | n/a |
| Osito Canyon | Los Angeles | valley | 343656N | 1184439W | - | Whitaker Peak |
| Oso Canyon | Los Angeles | valley | 344815N | 1184343W | - | La Liebre Ranch |
| Otterbein | Los Angeles | pop place | 335915N | 1175302W | 508 | La Habra |
| Outer Harbor | Los Angeles | bay | 334410N | 1181134W | - | Long Beach |
| Outer Los Angeles Harbor | Los Angeles | harbor | 334240N | 1181544W | - | San Pedro |
| Outer Santa Barbara Passage | Los Angeles | channel | 331200N | 1183200W | - | Unknown |
| Owensmouth (historical) | Los Angeles | pop place | 341204N | 1183550W | 795 | Canoga Park |
| Owensmouth Post Office (Est. March 1, 1931) | Los Angeles | post office | 341205N | 1183608W | - | Canoga Park |
| Owongos (historical) | Los Angeles | pop place | n/a | n/a | - | n/a |
| Ozone Park | Los Angeles | park | 340006N | 1182816W | - | Beverly Hills |
| PL and P Trail | Los Angeles | trail | 341859N | 1174350W | 4500 | Mount San Antonio |
| Pacific Asian Museum(Grace Nicholson's Treasure House of Oriental and Western Art) (1929) (historic landmark # 988) | Los Angeles | building | n/a | n/a | - | n/a |
| Pacific Crest Cemetery | Los Angeles | cemetery | 335203N | 1182133W | - | Torrance |
| Pacific Crest National Recreation Trail | Los Angeles | trail | 342014N | 1173837W | - | Mount San Antonio |
| Pacific Crest Reservoir | Los Angeles | reservoir | 342158N | 1174129W | 7898 | Mount San Antonio |
| Pacific Mountain | Los Angeles | summit | 342256N | 1180202W | 7124 | Pacifico Mountain |
| Pacific Palisades | Los Angeles | pop place | 340253N | 1183132W | 300 | Topanga |
| Pacific Palisades Auto Camp (historical) | Los Angeles | locale | 340219N | 1183220W | - | Topanga |
| Pacific Park | Los Angeles | park | 340823N | 1181552W | - | Burbank |
| Pacific Park | Los Angeles | park | 341119N | 1182106W | - | Burbank |
| Pacific Tunnel | Los Angeles | tunnel | 342041N | 1183041W | - | Oat Mountain |
| Pacifico Mountain | Los Angeles | summit | 342256N | 1180202W | 7124 | Pacifico Mountain |
| Pacoima | Los Angeles | pop place | 341545N | 1182534W | 980 | San Fernando |
| Pacoima 32-008 Dam | Los Angeles | dam | 342006N | 1182342W | - | San Fernando |
| Pacoima Canyon | Los Angeles | valley | 342052N | 1182300W | - | San Fernando |
| Pacoima Dam | Los Angeles | dam | 342005N | 1182344W | 2015 | San Fernando |
| Pacoima Park | Los Angeles | park | 341607N | 1182444W | - | San Fernando |
| Pacoima Reservoir | Los Angeles | reservoir | 342005N | 1182344W | 1990 | San Fernando |
| Pacoima Reservoir | Los Angeles | reservoir | 342030N | 1182333W | 2000 | San Fernando |
| Pacoima Spreading Grounds | Los Angeles | basin | 341523N | 1182649W | - | San Fernando |
| Pacoima Wash | Los Angeles | stream | 341250N | 1182729W | - | Van Nuys |
| Pacoimo Reservoir | Los Angeles | reservoir | 342030N | 1182333W | 2000 | San Fernando |
| Palisades Beach | Los Angeles | beach | 340124N | 1183044W | - | Topanga |
| Palisades Del Rey (historical) | Los Angeles | pop place | 335625N | 1182613W | 140 | Venice |
| Palisades Highlands (historical) | Los Angeles | pop place | n/a | n/a | - | n/a |
| Palisades Park | Los Angeles | park | 340117N | 1183022W | - | Topanga |
| Palisades Park | Los Angeles | park | 341720N | 1183242W | - | Oat Mountain |
| Pallett Creek | Los Angeles | stream | 342742N | 1175148W | - | Valyermo |
| Pallett Mountain | Los Angeles | summit | 342306N | 1175304W | 7760 | Juniper Hills |
| Pallett Ranch | Los Angeles | locale | 342553N | 1174946W | - | Valyermo |
| Palm Beach Park | Los Angeles | park | 334551N | 1181155W | - | Long Beach |
| Palm Park | Los Angeles | park | 335036N | 1180410W | - | Los Alamitos |
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