Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Roaring River Slough | Gut | 1 | Solano | 38 05 55 N | 121 56 35 W |
| Roaring Spring | Spring | 1437 | Shasta | 40 37 41 N | 121 44 36 W |
| Rob Hill | Summit | 116 | San Francisco | 37 47 44 N | 122 28 35 W |
| Rob Roy Junction | Populated Place | 44 | Santa Cruz | 36 58 15 N | 121 52 27 W |
| Rob Roy Mine | Mine | 562 | San Bernardino | 35 47 13 N | 116 24 16 W |
| Robb Memorial Field | Park | 4 | San Diego | 32 45 14 N | 117 14 31 W |
| Robbers Canyon | Valley | | Fresno | 36 13 24 N | 120 36 51 W |
| Robbers Creek | Populated Place | 1623 | Lassen | 40 22 13 N | 121 00 18 W |
| Robbers Creek | Stream | | Lassen | 40 17 27 N | 121 00 18 W |
| Robbers Flat | Flat | 485 | Colusa | 39 09 27 N | 122 27 56 W |
| Robbers Gulch | Valley | | Humboldt | 41 10 40 N | 123 50 18 W |
| Robbers Meadow | Flat | 2000 | Trinity | 41 19 21 N | 122 36 48 W |
| Robbers Meadow Creek | Stream | | Trinity | 41 17 29 N | 122 37 50 W |
| Robbers Mountain | Summit | 1332 | San Bernardino | 35 28 18 N | 117 11 41 W |
| Robbers Peak | Summit | 329 | Orange | 33 49 40 N | 117 45 27 W |
| Robbers Ravine | Valley | | Placer | 39 06 37 N | 120 55 52 W |
| Robbers Roost | Locale | 1902 | Plumas | 40 09 27 N | 121 26 17 W |
| Robbers Roost | Summit | 153 | Butte | 39 39 36 N | 121 39 22 W |
| Robbers Roost | Summit | 1223 | Kern | 35 35 30 N | 117 56 56 W |
| Robbers Roost | Summit | 911 | Trinity | 40 08 32 N | 123 26 36 W |
| Robbers Roost Mine | Mine | 798 | Trinity | 41 03 21 N | 123 19 08 W |
| Robbers Spring | Spring | 1836 | Lassen | 40 27 23 N | 121 07 31 W |
| Robbers Spring | Spring | 1710 | Lassen | 40 37 57 N | 121 08 49 W |
| Robbie Way Park | Park | 41 | Sonoma | 38 33 07 N | 122 49 46 W |
| Robbins | Populated Place | 8 | Sutter | 38 52 13 N | 121 42 23 W |
| Robbins Elementary School | School | 7 | Sutter | 38 52 17 N | 121 42 09 W |
| Robbins Field Ball Park | Park | 224 | San Luis Obispo | 35 37 16 N | 120 41 21 W |
| Robbins Hall | Building | 16 | Yolo | 38 32 27 N | 121 45 06 W |
| Robbins Park | Park | 39 | Sonoma | 38 32 09 N | 122 47 32 W |
| Robbins Post Office | Post Office | 8 | Sutter | 38 52 14 N | 121 42 19 W |
| Robbins Ranch | Locale | 1301 | Nevada | 39 22 31 N | 120 49 34 W |
| Robbs Gulch | Valley | | Los Angeles | 34 13 16 N | 117 51 14 W |
| Robbs Peak | Summit | 2040 | El Dorado | 38 55 29 N | 120 24 13 W |
| Robbs Peak 1009-006 Dam | Dam | 1576 | El Dorado | 38 56 54 N | 120 23 28 W |
| Robbs Peak Powerhouse | Locale | 1483 | El Dorado | 38 53 50 N | 120 22 49 W |
| Robbs Valley | Flat | 1702 | El Dorado | 38 55 42 N | 120 22 39 W |
| Robert (historical) | Populated Place | 4 | Alameda | 37 40 37 N | 122 09 24 W |
| Robert A Skinner 35-012 Dam | Dam | 451 | Riverside | 33 35 12 N | 117 04 21 W |
| Robert Adams Community Park | Park | 429 | San Diego | 33 14 15 N | 117 01 21 W |
| Robert Bruce Elementary School | School | 64 | Santa Barbara | 34 57 40 N | 120 26 34 W |
| Robert Burns Park | Park | 81 | Los Angeles | 34 04 32 N | 118 18 57 W |
| Robert C Cawthon Elementary School | School | 9 | Orange | 33 48 52 N | 118 03 12 W |
| Robert C Kirkwood Powerhouse | Locale | 732 | Tuolumne | 37 52 41 N | 119 57 07 W |
| Robert Crown Memorial State Beach | Park | 3 | Alameda | 37 45 57 N | 122 16 29 W |
| Robert Diemer Filtration Plant | Locale | 253 | Orange | 33 54 44 N | 117 49 12 W |
| Robert Down Elementary School | School | 46 | Monterey | 36 37 04 N | 121 55 01 W |
| Robert E Kennedy Library | Building | 94 | San Luis Obispo | 35 18 04 N | 120 39 49 W |
| Robert E Swenson Library | Building | 60 | Santa Cruz | 36 59 21 N | 121 55 33 W |
| Robert E Woolley State Park | Park | 1 | San Mateo | 37 35 31 N | 122 20 43 W |
| Robert Elliott Alternative Education Center | School | 29 | Stanislaus | 37 39 53 N | 120 59 01 W |
| Robert F Kennedy Elementary School | School | 22 | Los Angeles | 33 53 01 N | 118 13 43 W |
| Robert F Kennedy Elementary School | School | 148 | Los Angeles | 34 03 15 N | 118 10 45 W |
| Robert F Kennedy Medical Center | Hospital | 23 | Los Angeles | 33 55 40 N | 118 21 20 W |
| Robert Frost Middle School | School | 387 | Los Angeles | 34 17 42 N | 118 30 39 W |
| Robert Gisler Elementary School | School | 7 | Orange | 33 41 28 N | 117 56 57 W |
| Robert Glenn Rapp Engineering Research Building | Building | 55 | Los Angeles | 34 01 12 N | 118 17 15 W |
| Robert Heideman Elementary School | School | 36 | Orange | 33 44 14 N | 117 50 24 W |
| Robert J Fite Elementary School | School | 19 | Sacramento | 38 27 58 N | 121 20 28 W |
| Robert Keenan Winery | Locale | 367 | Napa | 38 31 03 N | 122 31 20 W |
| Robert L Matheson 1413 Dam | Dam | 312 | Napa | 38 30 48 N | 122 16 40 W |
| Robert L Mueller Elementary School | School | 8 | San Diego | 32 37 36 N | 117 05 37 W |
| Robert Lee Frost Auditorium | Building | 17 | Los Angeles | 34 00 27 N | 118 24 09 W |
| Robert Lee Mine | Mine | 1591 | El Dorado | 38 39 17 N | 120 24 34 W |
| Robert Levy Tunnel | Tunnel | 90 | San Francisco | 37 47 48 N | 122 24 54 W |
| Robert Livermore Park | Park | 168 | Alameda | 37 40 55 N | 121 44 16 W |
| Robert Louis Stevenson Elementary School | School | 57 | San Francisco | 37 44 55 N | 122 29 35 W |
| Robert Louis Stevenson High School | School | 75 | Monterey | 36 34 56 N | 121 57 02 W |
| Robert Louis Stevenson Intermediate School | School | 87 | Napa | 38 30 26 N | 122 28 36 W |
| Robert Louis Stevenson State Park | Park | 651 | Napa | 38 39 18 N | 122 35 48 W |
| Robert M Matts Soil Conservation Checking Station | Locale | 485 | Riverside | 33 42 28 N | 117 00 51 W |
| Robert M McCurdy Nature Center | Park | 298 | Los Angeles | 34 10 40 N | 118 05 48 W |
| Robert M Pyles Elementary School | School | 22 | Orange | 33 48 41 N | 117 59 06 W |
| Robert Mondavi Winery | Locale | 47 | Napa | 38 26 29 N | 122 24 34 W |
| Robert Nichols Spring | Spring | 1372 | Tuolumne | 38 04 29 N | 120 09 01 W |
| Robert P Strathearn Historic Park | Park | 215 | Ventura | 34 16 29 N | 118 48 04 W |
| Robert P Ulrich Elementary School | School | 724 | Kern | 35 07 21 N | 117 57 59 W |
| Robert Pecota Winery | Locale | 129 | Napa | 38 36 18 N | 122 36 23 W |
| Robert Pepi Winery | Locale | 42 | Napa | 38 25 28 N | 122 23 19 W |
| Robert Randall Elementary School | School | 18 | Santa Clara | 37 25 47 N | 121 52 54 W |
| Robert Sanders Elementary School | School | 63 | Santa Clara | 37 21 09 N | 121 48 03 W |
| Robert Semple Elementary School | School | 44 | Solano | 38 03 34 N | 122 08 50 W |
| Robert Stemmler Winery | Locale | 50 | Sonoma | 38 39 14 N | 122 55 34 W |
| Robert W Matthews Dam | Dam | 821 | Trinity | 40 22 09 N | 123 25 56 W |
| Roberts 157-002 Dam | Dam | 1267 | Modoc | 41 13 51 N | 121 08 18 W |
| Roberts Butte | Summit | 1313 | Modoc | 41 13 32 N | 121 07 27 W |
| Roberts Camp | Locale | 537 | Los Angeles | 34 12 00 N | 118 01 11 W |
| Roberts Camp | Locale | 1274 | Modoc | 41 15 44 N | 121 10 09 W |
| Roberts Canyon | Valley | | Fresno | 36 13 22 N | 120 36 53 W |
| Roberts Canyon | Valley | | Lassen | 39 44 10 N | 120 06 22 W |
| Roberts Canyon | Valley | | Los Angeles | 34 09 46 N | 117 54 19 W |
| Roberts Canyon | Valley | | Shasta | 40 48 41 N | 122 01 57 W |
| Roberts Creek | Stream | | Modoc | 41 39 28 N | 120 25 44 W |
| Roberts Elementary School | School | 72 | Sacramento | 38 40 08 N | 121 14 03 W |
| Roberts Ferry Cemetery | Cemetery | 66 | Stanislaus | 37 38 27 N | 120 37 48 W |
| Roberts Ferry Union Elementary School | School | 52 | Stanislaus | 37 38 19 N | 120 37 10 W |
| Roberts Island | Island | 2 | San Joaquin | 37 54 18 N | 121 23 07 W |
| Roberts Island Farm Center | Locale | 2 | San Joaquin | 37 52 40 N | 121 22 19 W |
| Roberts Lake | Lake | -14 | Monterey | 36 36 27 N | 121 51 30 W |
| Roberts Lake | Reservoir | 30 | Sonoma | 38 21 55 N | 122 42 38 W |
| Roberts Lake Park | Park | 30 | Sonoma | 38 21 52 N | 122 42 37 W |
| Roberts Landing | Locale | 2 | Alameda | 37 40 23 N | 122 09 54 W |
| Roberts Place | Populated Place | 536 | Tehama | 40 02 28 N | 121 51 27 W |
| Roberts Ranch | Locale | 2484 | Inyo | 37 25 53 N | 118 06 03 W |
| Roberts Ranch | Locale | 460 | Sonoma | 38 45 51 N | 122 53 58 W |
| Roberts Recreation Center | Park | 59 | Los Angeles | 34 00 04 N | 118 14 37 W |
| Roberts Ridge | Ridge | 2805 | Inyo | 37 25 07 N | 118 06 34 W |
| Roberts Spring | Spring | 625 | San Luis Obispo | 35 40 35 N | 120 15 52 W |
| Roberts Tree Farm | Locale | 1001 | El Dorado | 38 45 20 N | 120 39 12 W |
| Robertson Branch Los Angeles Public Library | Building | 42 | Los Angeles | 34 02 54 N | 118 23 09 W |
| Robertson Creek | Stream | | Monterey | 36 22 38 N | 121 33 43 W |