Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Jefferson Elementary School | School | 27 | Alameda | 37 46 47 N | 122 12 47 W |
| Jefferson Elementary School | School | 105 | Fresno | 36 35 33 N | 119 26 15 W |
| Jefferson Elementary School | School | 113 | Fresno | 36 42 03 N | 119 32 36 W |
| Jefferson Elementary School | School | 91 | Fresno | 36 44 43 N | 119 46 43 W |
| Jefferson Elementary School | School | 112 | Fresno | 36 48 36 N | 119 41 02 W |
| Jefferson Elementary School | School | 12 | Humboldt | 40 47 50 N | 124 10 10 W |
| Jefferson Elementary School | School | 2 | Imperial | 32 40 17 N | 115 28 51 W |
| Jefferson Elementary School | School | 276 | Kern | 35 09 26 N | 119 27 38 W |
| Jefferson Elementary School | School | 146 | Kern | 35 23 15 N | 118 59 11 W |
| Jefferson Elementary School | School | 76 | Kings | 36 20 20 N | 119 39 09 W |
| Jefferson Elementary School | School | 47 | Los Angeles | 33 51 38 N | 118 22 50 W |
| Jefferson Elementary School | School | 18 | Los Angeles | 33 54 20 N | 118 20 45 W |
| Jefferson Elementary School | School | 23 | Los Angeles | 33 54 40 N | 118 13 30 W |
| Jefferson Elementary School | School | 25 | Los Angeles | 33 56 32 N | 118 21 31 W |
| Jefferson Elementary School | School | 252 | Los Angeles | 34 09 14 N | 118 07 09 W |
| Jefferson Elementary School | School | 202 | Los Angeles | 34 11 54 N | 118 19 16 W |
| Jefferson Elementary School | School | 236 | Riverside | 33 56 42 N | 117 25 21 W |
| Jefferson Elementary School | School | 222 | Riverside | 33 52 18 N | 117 34 34 W |
| Jefferson Elementary School | School | 5 | Sacramento | 38 37 17 N | 121 30 37 W |
| Jefferson Elementary School | School | 416 | San Benito | 36 30 33 N | 121 04 52 W |
| Jefferson Elementary School | School | 109 | San Diego | 32 44 51 N | 117 08 01 W |
| Jefferson Elementary School | School | 19 | San Diego | 33 09 09 N | 117 20 20 W |
| Jefferson Elementary School | School | 69 | San Francisco | 37 45 47 N | 122 28 36 W |
| Jefferson Elementary School | School | 36 | San Joaquin | 37 41 45 N | 121 23 51 W |
| Jefferson Elementary School | School | 114 | Sonoma | 38 48 46 N | 123 01 29 W |
| Jefferson Elementary School | School | 103 | Tulare | 36 32 16 N | 119 22 39 W |
| Jefferson Elementary School | School | 114 | Tulare | 36 12 14 N | 119 06 02 W |
| Jefferson High School | School | 77 | San Mateo | 37 41 45 N | 122 27 59 W |
| Jefferson Intermediate School | School | 102 | Los Angeles | 34 04 56 N | 118 05 31 W |
| Jefferson Junior High School | School | 59 | San Diego | 33 12 37 N | 117 21 48 W |
| Jefferson Middle School | School | 16 | Los Angeles | 33 46 34 N | 118 08 55 W |
| Jefferson Middle School | School | 26 | Los Angeles | 33 49 55 N | 118 21 28 W |
| Jefferson Mine | Mine | 186 | Shasta | 40 35 21 N | 122 26 56 W |
| Jefferson Park | Park | 112 | Fresno | 36 48 33 N | 119 41 03 W |
| Jefferson Park | Park | 97 | Kern | 35 45 50 N | 119 14 31 W |
| Jefferson Park | Park | 150 | Kern | 35 23 20 N | 118 59 10 W |
| Jefferson Park | Park | 100 | Tulare | 36 19 25 N | 119 17 43 W |
| Jefferson Park | Populated Place | 45 | Los Angeles | 34 01 38 N | 118 19 03 W |
| Jefferson Plaza Shopping Center | Locale | 19 | San Mateo | 37 28 13 N | 122 14 44 W |
| Jefferson Recreation Center | Park | 255 | Los Angeles | 34 09 18 N | 118 07 09 W |
| Jefferson School | School | 38 | Alameda | 37 52 45 N | 122 17 02 W |
| Jefferson School | School | 13 | Orange | 33 42 42 N | 117 53 19 W |
| Jefferson School | School | 322 | San Bernardino | 34 06 38 N | 117 17 16 W |
| Jefferson School | School | 6 | San Joaquin | 37 57 37 N | 121 16 25 W |
| Jefferson School | School | 58 | San Mateo | 37 41 22 N | 122 28 07 W |
| Jefferson School | School | 125 | Santa Barbara | 34 26 13 N | 119 41 39 W |
| Jefferson School | School | 23 | Santa Clara | 37 20 48 N | 121 53 59 W |
| Jefferson School | School | 21 | Santa Clara | 37 22 03 N | 121 59 42 W |
| Jefferson School (historical) | School | 69 | Kings | 36 17 53 N | 119 47 19 W |
| Jefferson School (historical) | School | 60 | San Joaquin | 37 40 55 N | 121 26 09 W |
| Jefferson School (historical) | School | 101 | Tulare | 36 19 27 N | 119 17 41 W |
| Jefferson School Park | Park | 6 | Sacramento | 38 37 15 N | 121 30 37 W |
| Jefferson School Park | Park | 13 | Sacramento | 38 33 15 N | 121 23 56 W |
| Jefferson Senior High School | School | 64 | Los Angeles | 34 00 41 N | 118 15 01 W |
| Jefferson Square Playground | Park | 8 | Alameda | 37 48 03 N | 122 16 43 W |
| Jefferson Square Playground | Park | 35 | San Francisco | 37 46 53 N | 122 25 33 W |
| Jefferson Street Bridge | Bridge | 71 | Orange | 33 50 53 N | 117 50 12 W |
| Jefferson-Bellarmine Elementary School | School | 208 | Los Angeles | 34 11 07 N | 118 18 21 W |
| Jeffrey Mine | Mine | 2190 | Mono | 37 37 07 N | 118 19 16 W |
| Jeffrey Mine Canyon | Valley | | Mono | 37 37 29 N | 118 21 29 W |
| Jeffries Canyon | Valley | | Los Angeles | 34 12 50 N | 118 20 56 W |
| Jeffries Center Shopping Center | Locale | 191 | Ventura | 34 11 01 N | 118 54 34 W |
| Jeffry Gulch | Valley | | Humboldt | 40 19 16 N | 124 17 57 W |
| Jehoshaphat Missionary Baptist Church | Church | 323 | Ventura | 34 17 28 N | 118 42 15 W |
| Jehovah Yireh Baptist Church | Church | | Orange | 33 54 49 N | 117 53 56 W |
| Jehovahs Witnesses Spanish Congregation | Church | 85 | Madera | 36 58 27 N | 120 03 13 W |
| Jellick Elementary School | School | 137 | Los Angeles | 33 59 31 N | 117 54 00 W |
| Jellick Field | Park | 33 | Santa Clara | 37 22 41 N | 122 02 31 W |
| Jellico | Populated Place | 1571 | Lassen | 40 50 42 N | 121 17 34 W |
| Jelly Camp | Locale | 1710 | Lassen | 40 46 51 N | 121 15 53 W |
| Jelly Ranch | Locale | 108 | Tehama | 40 19 44 N | 122 11 21 W |
| Jelly School (historical) | School | 108 | Tehama | 40 19 49 N | 122 11 40 W |
| Jelly Spring | Spring | 1709 | Lassen | 40 46 45 N | 121 15 45 W |
| Jellys Ferry (historical) | Crossing | 95 | Tehama | 40 19 02 N | 122 11 20 W |
| Jellys Ferry Bridge | Bridge | 95 | Tehama | 40 19 03 N | 122 11 24 W |
| Jelmini Basin | Basin | 2158 | Calaveras | 38 28 18 N | 120 06 22 W |
| Jelmini Creek | Stream | | Calaveras | 38 29 47 N | 120 07 19 W |
| Jenkins Canyon | Valley | | Alpine | 38 25 57 N | 119 52 43 W |
| Jenkins Cove | Bay | 1761 | Plumas | 39 53 59 N | 120 30 30 W |
| Jenkins Creek | Stream | | Plumas | 39 53 57 N | 120 30 46 W |
| Jenkins Hall | Building | 38 | Humboldt | 40 52 31 N | 124 04 41 W |
| Jenkins Hall | Building | 10 | Sacramento | 38 34 02 N | 121 25 31 W |
| Jenkins Hill | Summit | 1024 | Mariposa | 37 39 46 N | 119 56 39 W |
| Jenkins Hill | Summit | 362 | Mariposa | 37 43 01 N | 120 22 33 W |
| Jenkins Hill Trail | Trail | 731 | Mariposa | 37 39 56 N | 119 55 56 W |
| Jenkins Ranch | Locale | 832 | Mariposa | 37 42 09 N | 119 58 56 W |
| Jenkins Ranch (historical) | Locale | 1175 | Sierra | 39 28 25 N | 120 57 49 W |
| Jenkins Rock | Pillar | 352 | Napa | 38 21 10 N | 122 12 01 W |
| Jenkins Sheep Camp | Locale | 1682 | Plumas | 40 02 34 N | 120 28 39 W |
| Jenkins Spring | Spring | 1547 | Lassen | 40 26 12 N | 120 06 24 W |
| Jenkins Spring | Spring | 2175 | Lassen | 41 07 44 N | 120 14 04 W |
| Jenkins Springs | Spring | 1785 | Plumas | 40 03 06 N | 120 27 49 W |
| Jenkinson Lake | Reservoir | 1041 | El Dorado | 38 42 55 N | 120 33 46 W |
| Jenks Lake | Lake | 2054 | San Bernardino | 34 09 52 N | 116 52 55 W |
| Jenks Lake Junction Recreation Area | Park | 1967 | San Bernardino | 34 09 54 N | 116 54 43 W |
| Jenks Meadow | Flat | 1754 | San Bernardino | 34 10 37 N | 116 54 23 W |
| Jenks Place | Populated Place | 1614 | Glenn | 39 42 31 N | 122 50 54 W |
| Jenks Spring | Spring | 653 | San Luis Obispo | 35 27 47 N | 120 05 54 W |
| Jenner | Populated Place | 3 | Sonoma | 38 26 59 N | 123 06 56 W |
| Jenner Beach | Beach | 6 | Sonoma | 38 27 15 N | 123 07 59 W |
| Jenner Gulch | Valley | | Sonoma | 38 26 57 N | 123 06 52 W |
| Jenner Pond | Lake | 4 | Sonoma | 38 26 12 N | 123 06 17 W |
| Jenner Post Office | Post Office | 4 | Sonoma | 38 26 59 N | 123 06 55 W |
| Jenner School | School | 25 | Sonoma | 38 27 03 N | 123 06 57 W |
| Jennie Creek | Stream | | Plumas | 40 20 21 N | 121 06 14 W |
| Jennie Lake | Lake | 2748 | Tulare | 36 40 48 N | 118 45 57 W |
| Jennie Lakes Wilderness | Reserve | 2762 | Tulare | 36 41 00 N | 118 40 03 W |
| Jennie Mountain | Summit | 1882 | Plumas | 40 24 43 N | 121 04 20 W |
| Jennie Spring | Spring | 1815 | Plumas | 40 24 26 N | 121 04 38 W |
| Jennifer Mine | Mine | 621 | Kern | 35 02 25 N | 117 41 16 W |