Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Assembly of God Church | Church | 151 | San Bernardino | 34 50 15 N | 114 36 12 W |
| Assembly of God Church | Church | 306 | San Bernardino | 34 04 25 N | 117 18 40 W |
| Assembly of God Church | Church | 34 | San Diego | 33 11 45 N | 117 22 28 W |
| Assembly of God Church | Church | 97 | San Diego | 33 11 57 N | 117 15 20 W |
| Assembly of God Church | Church | 34 | San Diego | 32 50 12 N | 117 16 32 W |
| Assembly of God Church | Church | 16 | San Diego | 32 44 46 N | 117 14 36 W |
| Assembly of God Church | Church | 24 | San Diego | 32 37 55 N | 117 04 49 W |
| Assembly of God Church | Church | 12 | San Mateo | 37 34 37 N | 122 20 36 W |
| Assembly of God Church | Church | 88 | Tulare | 36 12 23 N | 119 20 33 W |
| Assembly of God Church of Arvin | Church | 136 | Kern | 35 12 29 N | 118 49 52 W |
| Assembly of God Church of Dunsmuir | Church | 736 | Siskiyou | 41 13 21 N | 122 16 36 W |
| Assembly of God Church of Lakewood | Church | | Los Angeles | 33 51 11 N | 118 06 51 W |
| Assembly of God Church of San Andreas | Church | 297 | Calaveras | 38 11 51 N | 120 41 17 W |
| Assembly of God Church of Wasco | Church | 101 | Kern | 35 35 44 N | 119 20 15 W |
| Assembly of God Evangelistic Center | Church | 13 | Ventura | 34 11 23 N | 119 11 07 W |
| Assembly of God Neighborhood Church | Church | 146 | Tulare | 36 03 27 N | 118 59 08 W |
| Assembly of God Pentecostal Church (historical) | Church | 416 | San Bernardino | 34 04 07 N | 117 10 56 W |
| Assembly of God School | School | 68 | Fresno | 36 25 51 N | 119 50 55 W |
| Assembly of God Tabernacle | Church | 21 | Contra Costa | 37 55 00 N | 122 18 41 W |
| Assembly of God Tabernacle | Church | 105 | Fresno | 36 50 19 N | 119 47 42 W |
| Assembly of God Tabernacle | Church | 101 | Tulare | 36 32 17 N | 119 23 11 W |
| Assembly Pentecostal Church | Church | | Los Angeles | 34 02 59 N | 118 01 28 W |
| Associated Oil Camp | Locale | 367 | Kern | 35 11 53 N | 119 32 47 W |
| Associated Post Office | Post Office | 3 | Contra Costa | 38 01 58 N | 122 04 31 W |
| Associated Technical College | School | 45 | San Diego | 32 43 14 N | 117 09 32 W |
| Associates Park | Park | 56 | Los Angeles | 34 01 16 N | 118 17 09 W |
| Assumption Catholic Church | Church | 8 | Monterey | 36 54 06 N | 121 44 55 W |
| Assumption Cemetery | Cemetery | 247 | Ventura | 34 15 22 N | 118 46 20 W |
| Assumption Roman Catholic Church | Church | 117 | Los Angeles | 34 02 52 N | 118 11 53 W |
| Assumption School | School | 27 | Alameda | 37 43 14 N | 122 08 08 W |
| Assumption School | School | 114 | Los Angeles | 34 02 50 N | 118 11 52 W |
| Assyrian Church of the East | Church | 15 | San Francisco | 37 45 23 N | 122 30 20 W |
| Assyrian Cultural Center | Building | | Alameda | 37 52 12 N | 122 17 34 W |
| Assyrian Evangelical Church | Church | 32 | Stanislaus | 37 29 59 N | 120 50 46 W |
| Aster Lake | Lake | 2775 | Tulare | 36 36 10 N | 118 40 43 W |
| Asti | Populated Place | 86 | Sonoma | 38 45 47 N | 122 58 23 W |
| Asti 1428 Dam | Dam | 99 | Sonoma | 38 44 54 N | 122 58 22 W |
| Asti Post Office (historical) | Post Office | 87 | Sonoma | 38 45 47 N | 122 58 25 W |
| Astley Ranch | Locale | 844 | San Bernardino | 34 46 40 N | 117 28 46 W |
| Asuncion | Civil | 299 | San Luis Obispo | 35 27 27 N | 120 41 21 W |
| Asuncion | Populated Place | 257 | San Luis Obispo | 35 30 54 N | 120 40 46 W |
| Asuncion School | School | 462 | San Luis Obispo | 35 32 27 N | 120 49 44 W |
| Asylum | Populated Place | 185 | Mendocino | 39 08 01 N | 123 12 02 W |
| Atagam Beach | Beach | 1900 | Placer | 39 14 18 N | 120 02 46 W |
| Atascadero | Civil | 289 | San Luis Obispo | 35 28 30 N | 120 38 48 W |
| Atascadero | Populated Place | 268 | San Luis Obispo | 35 29 22 N | 120 40 15 W |
| Atascadero Adult School | School | 260 | San Luis Obispo | 35 29 26 N | 120 40 00 W |
| Atascadero Assembly of God Church | Church | 280 | San Luis Obispo | 35 29 22 N | 120 40 32 W |
| Atascadero Bible Church | Church | 267 | San Luis Obispo | 35 29 11 N | 120 40 13 W |
| Atascadero Branch San Luis Obispo City-County Library | Building | 267 | San Luis Obispo | 35 28 56 N | 120 39 59 W |
| Atascadero Chamber of Commerce | Building | 264 | San Luis Obispo | 35 29 18 N | 120 40 08 W |
| Atascadero City Hall | Building | 261 | San Luis Obispo | 35 29 24 N | 120 40 02 W |
| Atascadero Creek | Stream | | San Luis Obispo | 35 30 18 N | 120 39 40 W |
| Atascadero Creek | Stream | | Santa Barbara | 34 25 11 N | 119 49 44 W |
| Atascadero Creek | Stream | | Sonoma | 38 26 54 N | 122 53 13 W |
| Atascadero First Baptist Church | Church | 264 | San Luis Obispo | 35 29 11 N | 120 40 06 W |
| Atascadero Gospel Chapel | Church | 276 | San Luis Obispo | 35 28 29 N | 120 39 54 W |
| Atascadero High School | School | 278 | San Luis Obispo | 35 28 59 N | 120 40 20 W |
| Atascadero Junior High School | School | 260 | San Luis Obispo | 35 29 25 N | 120 39 57 W |
| Atascadero Lake | Park | 284 | San Luis Obispo | 35 27 52 N | 120 39 53 W |
| Atascadero Lake | Reservoir | 278 | San Luis Obispo | 35 28 04 N | 120 40 05 W |
| Atascadero Lake Park | Park | 281 | San Luis Obispo | 35 28 01 N | 120 40 08 W |
| Atascadero Park 740 Dam | Dam | 278 | San Luis Obispo | 35 27 60 N | 120 40 04 W |
| Atascadero Pine Mountain Cemetery | Cemetery | 310 | San Luis Obispo | 35 29 46 N | 120 39 24 W |
| Atascadero Post Office | Post Office | 266 | San Luis Obispo | 35 29 24 N | 120 40 12 W |
| Atascadero State Beach | Park | 3 | San Luis Obispo | 35 23 35 N | 120 51 56 W |
| Atascadero State Hospital | Hospital | 278 | San Luis Obispo | 35 27 50 N | 120 38 08 W |
| Atascoso Creek | Stream | | Santa Barbara | 34 31 04 N | 120 18 50 W |
| Atastra Creek | Stream | | Mono | 38 16 19 N | 119 01 23 W |
| Atch Pedretti Park | Park | 30 | Stanislaus | 37 30 60 N | 120 53 04 W |
| Atchison Campground | Locale | 1321 | Glenn | 39 45 02 N | 122 55 33 W |
| Atchison Creek | Stream | | Mendocino | 39 43 54 N | 122 56 38 W |
| Atchison Village (subdivision) | Populated Place | 4 | Contra Costa | 37 56 01 N | 122 22 18 W |
| Atchison Village Park | Park | 4 | Contra Costa | 37 56 03 N | 122 22 18 W |
| Athenaeum Music and Arts Library | Building | 32 | San Diego | 32 50 49 N | 117 16 27 W |
| Athenian School | School | 194 | Contra Costa | 37 50 00 N | 121 56 59 W |
| Athenour Elementary School | School | 67 | Santa Clara | 37 14 57 N | 121 53 50 W |
| Athens | Populated Place | 52 | Los Angeles | 33 55 12 N | 118 16 52 W |
| Athens Downs Park | Park | 136 | Contra Costa | 37 44 57 N | 121 57 25 W |
| Athens Park | Park | 48 | Los Angeles | 33 55 04 N | 118 16 46 W |
| Atherton | Populated Place | 18 | San Mateo | 37 27 41 N | 122 11 52 W |
| Atherton Baptist Church | Church | 49 | Los Angeles | 33 59 53 N | 118 17 00 W |
| Atherton Branch San Mateo County Library | Building | 17 | San Mateo | 37 27 47 N | 122 11 48 W |
| Atherton City Hall | Building | 17 | San Mateo | 37 27 49 N | 122 11 51 W |
| Atherton Flat | Flat | 2095 | El Dorado | 38 48 04 N | 120 16 08 W |
| Atherton Island | Island | 1 | San Joaquin | 37 57 22 N | 121 21 01 W |
| Atherton Park | Park | 2 | San Joaquin | 37 59 43 N | 121 20 02 W |
| Atherton Peak | Summit | 487 | Santa Cruz | 36 56 14 N | 121 38 56 W |
| Atherwood Elementary School | School | 303 | Ventura | 34 17 07 N | 118 45 01 W |
| Atherwood Park | Park | 307 | Ventura | 34 17 13 N | 118 45 01 W |
| Athlone | Populated Place | 63 | Merced | 37 12 29 N | 120 21 29 W |
| Athol Plaza | Park | 4 | Alameda | 37 47 60 N | 122 15 16 W |
| Atkins Creek | Stream | | Shasta | 40 36 32 N | 121 49 30 W |
| Atkins Creek | Stream | | Siskiyou | 41 24 05 N | 123 05 46 W |
| Atkins Meadows | Flat | 1320 | Siskiyou | 41 15 20 N | 121 46 14 W |
| Atkins Ranch | Locale | 245 | Stanislaus | 37 26 12 N | 121 19 20 W |
| Atkins Ranch | Locale | 652 | Tehama | 40 19 00 N | 122 51 13 W |
| Atkins School (historical) | School | 438 | Butte | 39 30 14 N | 121 24 19 W |
| Atkinson Bluff Trail | Trail | 7 | San Mateo | 37 08 52 N | 122 20 50 W |
| Atkinson Ditch | Canal | 77 | Fresno | 36 37 59 N | 119 51 13 W |
| Atkinson Flat | Flat | 424 | Mendocino | 39 47 23 N | 123 09 50 W |
| Atkinson Historical Site | Locale | 788 | Trinity | 40 10 04 N | 123 23 31 W |
| Atkinson Park | Park | 63 | Santa Barbara | 34 57 47 N | 120 26 37 W |
| Atkinson Spring | Spring | 760 | Trinity | 40 11 58 N | 123 24 30 W |
| Atkinson Youth Services School | School | 17 | Sacramento | 38 34 25 N | 121 22 50 W |
| Atlanta | Populated Place | 19 | San Joaquin | 37 48 47 N | 121 07 15 W |
| Atlanta Church | Church | 16 | San Joaquin | 37 49 37 N | 121 08 37 W |
| Atlanta Mine | Mine | 1072 | Riverside | 34 01 49 N | 115 59 09 W |
| Atlantic Avenue Park | Park | 65 | Los Angeles | 34 01 31 N | 118 09 19 W |
| Atlantic Methodist Church | Church | 11 | Los Angeles | 33 47 09 N | 118 11 06 W |