Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| American Hospital | Hospital | 68 | Los Angeles | 34 01 41 N | 118 15 36 W |
| American House | Locale | 1453 | Plumas | 39 39 08 N | 121 01 24 W |
| American House Ravine | Valley | | Plumas | 39 38 23 N | 121 00 45 W |
| American Hungarian Baptist Church | Church | 53 | Los Angeles | 34 00 19 N | 118 16 49 W |
| American Indian Center Library of Santa Clara Valley | Building | 29 | Santa Clara | 37 19 55 N | 121 54 28 W |
| American Justice Institute | School | 8 | Sacramento | 38 36 01 N | 121 30 05 W |
| American Lake | Lake | 2474 | El Dorado | 38 51 23 N | 120 08 09 W |
| American Lakes Elementary School | School | 5 | Sacramento | 38 37 01 N | 121 29 35 W |
| American Lakes School Park | Park | 5 | Sacramento | 38 37 03 N | 121 29 34 W |
| American Language Institute | School | 141 | San Diego | 32 46 20 N | 117 04 20 W |
| American Legion High School | School | 8 | Sacramento | 38 32 53 N | 121 27 51 W |
| American Legion Park | Park | 4 | San Joaquin | 37 58 03 N | 121 18 23 W |
| American Legion Park | Park | 14 | San Joaquin | 38 07 26 N | 121 16 45 W |
| American Legion Yacht Club | Locale | 2 | Orange | 33 36 29 N | 117 55 16 W |
| American Lutheran Church | Church | | Los Angeles | 34 09 50 N | 118 20 44 W |
| American Lutheran School | School | 174 | Los Angeles | 34 09 50 N | 118 20 44 W |
| American Martyrs Catholic Church | Church | 52 | Los Angeles | 33 53 20 N | 118 24 25 W |
| American Martyrs School | School | 40 | Los Angeles | 33 53 25 N | 118 24 17 W |
| American Methodist Church | Church | 1 | Imperial | 32 40 08 N | 115 29 30 W |
| American Mine | Mine | 1091 | Inyo | 35 52 15 N | 116 25 40 W |
| American Plaza | Park | 10 | San Diego | 32 43 02 N | 117 10 04 W |
| American Presidents Museum | Building | 17 | San Diego | 32 45 10 N | 117 11 38 W |
| American Ranch | Locale | 651 | San Luis Obispo | 35 11 45 N | 119 54 01 W |
| American Ranch Hill | Summit | 749 | Nevada | 39 10 06 N | 121 06 51 W |
| American River | Stream | | Sacramento | 38 35 51 N | 121 30 29 W |
| American River Bridge | Bridge | 7 | Sacramento | 38 36 02 N | 121 30 18 W |
| American River College | School | 31 | Sacramento | 38 39 06 N | 121 20 57 W |
| American River College Placerville Campus | School | 535 | El Dorado | 38 43 27 N | 120 49 53 W |
| American River Flume | Canal | 429 | El Dorado | 38 46 19 N | 120 44 10 W |
| American River Flume | Canal | 502 | El Dorado | 38 46 39 N | 120 44 22 W |
| American River Hospital (historical) | Hospital | 32 | Sacramento | 38 38 04 N | 121 21 12 W |
| American River Parkway | Park | 23 | Sacramento | 38 37 20 N | 121 18 12 W |
| American River Powerhouse | Locale | 343 | El Dorado | 38 47 00 N | 120 46 41 W |
| American River Trail | Trail | 936 | Placer | 39 13 16 N | 120 32 46 W |
| American Tin Cannery Outlet Center Shopping Center | Locale | 11 | Monterey | 36 37 07 N | 121 54 16 W |
| American Trails Recreation Site | Locale | 478 | Shasta | 40 51 30 N | 122 20 25 W |
| American Valley | Flat | 1041 | Plumas | 39 56 48 N | 120 55 37 W |
| American Victorian Museum | Building | 763 | Nevada | 39 15 44 N | 121 01 13 W |
| Americana Mobile Home Park (subdivision) | Populated Place | 17 | Orange | 33 45 15 N | 117 57 45 W |
| Americano Creek | Stream | | Sonoma | 38 18 60 N | 122 53 60 W |
| Americas Cup Harbor | Bay | 4 | San Diego | 32 43 17 N | 117 13 30 W |
| Amerige Park | Park | 46 | Orange | 33 52 08 N | 117 55 50 W |
| Amerosa Wash | Stream | | Imperial | 33 18 47 N | 115 55 56 W |
| Ames Canyon | Valley | | San Bernardino | 34 13 56 N | 117 23 27 W |
| Ames Chapel (historical) | Building | 25 | Sonoma | 38 17 29 N | 122 27 23 W |
| Ames Hole | Valley | 914 | Tulare | 35 50 30 N | 118 40 17 W |
| Ames Opening | Flat | 565 | Mendocino | 39 33 31 N | 123 34 33 W |
| Ames Research Center | Building | 6 | Santa Clara | 37 24 55 N | 122 03 49 W |
| Ames Valley | Valley | 1619 | San Diego | 32 49 22 N | 116 26 45 W |
| Ames Well | Well | 711 | San Bernardino | 34 24 30 N | 116 20 37 W |
| Amesport Landing (historical) | Locale | 2 | San Mateo | 37 29 35 N | 122 27 39 W |
| Amesti | Populated Place | 45 | Santa Cruz | 36 57 49 N | 121 46 45 W |
| Amesti Elementary School | School | 36 | Santa Cruz | 36 56 45 N | 121 46 06 W |
| Amestoy Elementary School | School | 16 | Los Angeles | 33 53 45 N | 118 17 35 W |
| Amherst School | School | 31 | Orange | 33 49 31 N | 117 57 48 W |
| Amistad Cristana | Church | 2 | Imperial | 32 39 59 N | 115 29 01 W |
| Amistad High School | School | -7 | Riverside | 33 43 25 N | 116 12 21 W |
| Amity Spring | Spring | 1049 | San Bernardino | 35 39 23 N | 117 08 48 W |
| Ammon Creek | Stream | | Humboldt | 40 50 02 N | 123 34 08 W |
| Ammon Ridge | Ridge | 1446 | Humboldt | 40 47 52 N | 123 39 38 W |
| Ammon Station | Locale | 1203 | Humboldt | 40 48 16 N | 123 37 56 W |
| Amor Outreach | Church | 206 | Riverside | 33 52 32 N | 117 33 53 W |
| Amorc Rosicrucian Order | Church | 73 | Los Angeles | 34 04 28 N | 118 18 45 W |
| Amos | Populated Place | 80 | Imperial | 33 07 05 N | 115 15 21 W |
| Amos Temple Christian Church | Church | 272 | Riverside | 33 59 43 N | 117 20 55 W |
| Amos Temple Christian Methodist Episcopal Church | Church | 62 | Los Angeles | 33 55 57 N | 118 17 47 W |
| Ampere | Populated Place | 17 | San Joaquin | 38 06 09 N | 121 14 36 W |
| Amphitheater Lake | Lake | 3469 | Fresno | 37 01 28 N | 118 31 07 W |
| Amphitheater Lake | Lake | 3352 | Tulare | 36 26 44 N | 118 33 06 W |
| Amphitheater Point | Cape | 1339 | Tulare | 36 32 14 N | 118 46 56 W |
| Amsterdam | Populated Place | 67 | Merced | 37 25 49 N | 120 32 32 W |
| Amy B Siebert Elementary School | School | 116 | Kern | 35 19 48 N | 119 02 03 W |
| Amy Blanc Elementary School | School | 23 | Solano | 38 16 37 N | 122 02 16 W |
| Anacapa Hall | Building | 14 | Santa Barbara | 34 24 39 N | 119 50 34 W |
| Anacapa Island | Island | 2 | Ventura | 34 00 16 N | 119 23 58 W |
| Anacapa Island Light | Locale | 63 | Ventura | 34 00 57 N | 119 21 35 W |
| Anacapa Middle School | School | 46 | Ventura | 34 16 18 N | 119 14 46 W |
| Anacapa Passage | Channel | 2 | Ventura | 34 00 58 N | 119 27 50 W |
| Anacapa View Estates Heliport | Airport | 165 | Los Angeles | 34 02 30 N | 118 51 14 W |
| Anaconda Mine | Mine | 918 | San Bernardino | 34 03 54 N | 116 01 42 W |
| Anaconda Park | Park | 75 | Los Angeles | 33 57 02 N | 118 00 50 W |
| Anada Creek | Stream | | Trinity | 40 17 17 N | 123 20 12 W |
| Anaheim | Populated Place | 48 | Orange | 33 50 07 N | 117 54 52 W |
| Anaheim Bay | Bay | 3 | Orange | 33 43 54 N | 118 05 14 W |
| Anaheim Cemetery | Cemetery | 54 | Orange | 33 50 32 N | 117 53 56 W |
| Anaheim Christian Reformed Church | Church | | Orange | 33 50 21 N | 117 59 04 W |
| Anaheim City Hall | Building | 49 | Orange | 33 50 05 N | 117 54 42 W |
| Anaheim Community Hospital (historical) | Hospital | | Orange | 33 50 11 N | 117 54 47 W |
| Anaheim Convention Center | Building | 38 | Orange | 33 48 05 N | 117 55 15 W |
| Anaheim Cultural Arts Center | Building | 46 | Orange | 33 50 43 N | 117 55 25 W |
| Anaheim First Church of the Nazarene | Church | | Orange | 33 51 12 N | 117 54 18 W |
| Anaheim General Hospital | Hospital | 19 | Orange | 33 48 57 N | 118 00 25 W |
| Anaheim High School | School | 45 | Orange | 33 50 04 N | 117 55 32 W |
| Anaheim Hills | Populated Place | 127 | Orange | 33 50 40 N | 117 46 38 W |
| Anaheim Hills Elementary School | School | 254 | Orange | 33 49 47 N | 117 45 39 W |
| Anaheim Hills Golf Course | Locale | 161 | Orange | 33 50 32 N | 117 45 58 W |
| Anaheim Hills Plaza Shopping Center | Locale | 130 | Orange | 33 50 42 N | 117 46 31 W |
| Anaheim Hills Racquet Club | Locale | 116 | Orange | 33 50 47 N | 117 46 41 W |
| Anaheim Hills Saddle Club | Locale | 172 | Orange | 33 50 21 N | 117 46 13 W |
| Anaheim Hills Station Anaheim Post Office | Post Office | | Orange | 33 51 06 N | 117 47 36 W |
| Anaheim Japanese Free Methodist Church | Church | | Orange | 33 50 44 N | 117 58 21 W |
| Anaheim Korean Church of the Nazarene | Church | | Orange | 33 49 33 N | 117 56 16 W |
| Anaheim Lake | Reservoir | 71 | Orange | 33 51 53 N | 117 50 51 W |
| Anaheim Landing | Locale | 3 | Orange | 33 44 09 N | 118 06 00 W |
| Anaheim Memorial Hospital | Hospital | 43 | Orange | 33 50 52 N | 117 55 58 W |
| Anaheim Mobile Home Estates (subdivision) | Populated Place | 21 | Orange | 33 48 55 N | 117 59 48 W |
| Anaheim Police Heliport | Airport | 50 | Orange | 33 49 38 N | 117 54 10 W |
| Anaheim Post Office | Post Office | | Orange | 33 50 29 N | 117 56 17 W |
| Anaheim Public Library | Building | 46 | Orange | 33 49 54 N | 117 55 09 W |
| Anaheim Royal Mobile Home Park (subdivision) | Populated Place | 60 | Orange | 33 51 12 N | 117 53 13 W |