| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Subaco | city | California | United States | 38.93 | -121.74 | 19 | |
| Subeet | city | California | United States | 38.23 | -122.08 | 9 | |
| Sucker Flat | city | California | United States | 39.21 | -121.30 | 830 | |
| Sucro | city | California | United States | 38.47 | -121.80 | 59 | |
| Sucrosa (historical) | city | California | United States | 34.20 | -119.07 | 95 | |
| Sugar (historical) | city | California | United States | 33.74 | -118.00 | 45 | |
| Sugar Pine | city | California | United States | 37.44 | -119.63 | 4576 | |
| Sugarfield | city | California | United States | 38.71 | -121.75 | 45 | |
| Sugarloaf | city | California | United States | 34.24 | -116.83 | 7086 | |
| Sugarloaf | city | California | United States | 40.86 | -122.40 | 1040 | |
| Sugarloaf Mountain Park | city | California | United States | 35.84 | -118.60 | 5889 | |
| Sugarloaf Saw Mill | city | California | United States | 35.84 | -118.62 | 5869 | |
| Sugarloaf Village | city | California | United States | 35.83 | -118.63 | 5085 | |
| Sugarpine | city | California | United States | 38.06 | -120.20 | 4324 | |
| Suisun | city | California | United States | 38.24 | -122.04 | 3 | |
| Sullivan | city | California | United States | 39.20 | -121.64 | 65 | |
| Sullivan (historical) | city | California | United States | 35.13 | -118.41 | 4189 | |
| Sulphur Springs | city | California | United States | 34.48 | -118.61 | 1194 | |
| Sulphur Springs | city | California | United States | 34.43 | -119.09 | 1151 | |
| Sulphur Springs (historical) | city | California | United States | 38.12 | -122.19 | 396 | |
| Sultana | city | California | United States | 36.55 | -119.34 | 347 | |
| Summer Home | city | California | United States | 37.85 | -121.19 | 42 | |
| Summerhome Park | city | California | United States | 38.50 | -122.94 | 196 | |
| Summerland | city | California | United States | 34.42 | -119.60 | 131 | |
| Summers (historical) | city | California | United States | 35.53 | -120.08 | 1801 | |
| Summerset Mobile Home Estates | city | California | United States | 33.76 | -117.97 | 42 | |
| Summertown | city | California | United States | 40.54 | -121.57 | 5944 | |
| Summerville | city | California | United States | 41.10 | -123.07 | 2798 | |
| Summerville (historical) | city | California | United States | 40.20 | -121.68 | 3349 | |
| Summit | city | California | United States | 35.13 | -118.41 | 4189 | |
| Summit (historical) | city | California | United States | 35.07 | -120.51 | 387 | |
| Summit City (historical) | city | California | United States | 39.41 | -120.50 | 7549 | |
| Summit City (historical) | city | California | United States | 40.69 | -122.40 | 830 | |
| Summit Terrace | city | California | United States | 34.35 | -117.42 | 4189 | |
| Summit Village | city | California | United States | 38.73 | -121.10 | 830 | |
| Sumner Hill | city | California | United States | 36.96 | -119.75 | 406 | |
| Sun City | city | California | United States | 33.71 | -117.20 | 1669 | |
| Sun Valley | city | California | United States | 34.22 | -118.37 | 830 | |
| Suncrest | city | California | United States | 32.80 | -116.86 | 1669 | |
| Sundance Mobile Home Park | city | California | United States | 33.16 | -117.09 | 830 | |
| Sunfair | city | California | United States | 34.16 | -116.25 | 2509 | |
| Sunfair Heights | city | California | United States | 34.24 | -116.22 | 2539 | |
| Sunkist | city | California | United States | 34.08 | -117.19 | 1669 | |
| Sunkist Gardens | city | California | United States | 33.81 | -117.88 | 150 | |
| Sunland | city | California | United States | 34.27 | -118.30 | 1669 | |
| Sunland | city | California | United States | 36.02 | -118.98 | 830 | |
| Sunland (historical) | city | California | United States | 37.33 | -118.40 | 4232 | |
| Sunny Acres Trailer Park | city | California | United States | 37.96 | -122.03 | 196 | |
| Sunny Brae | city | California | United States | 40.86 | -124.07 | 183 | |
| Sunny Hills | city | California | United States | 33.90 | -117.94 | 255 | |
| Sunny Hills Estates Mobile Home Park | city | California | United States | 34.86 | -120.40 | 830 | |
| Sunny Vista | city | California | United States | 32.64 | -117.07 | 170 | |
| Sunnybrook | city | California | United States | 38.34 | -120.88 | 830 | |
| Sunnymead | city | California | United States | 33.94 | -117.24 | 1669 | |
| Sunnyside | city | California | United States | 39.84 | -122.87 | 5029 | |
| Sunnyside | city | California | United States | 36.75 | -119.70 | 298 | |
| Sunnyside | city | California | United States | 39.14 | -120.15 | 6227 | |
| Sunnyside | city | California | United States | 32.67 | -117.02 | 187 | |
| Sunnyside (historical) | city | California | United States | 39.93 | -123.21 | 3398 | |
| Sunnyside Estates | city | California | United States | 33.70 | -116.25 | 68 | |
| Sunnyslope | city | California | United States | 34.01 | -117.43 | 862 | |
| Sunnyslope | city | California | United States | 39.37 | -121.43 | 830 | |
| Sunnyvale | city | California | United States | 37.37 | -122.04 | 137 | |
| Sunol | city | California | United States | 37.59 | -121.89 | 239 | |
| Sunrise | city | California | United States | 34.67 | -118.13 | 2509 | |
| Sunrise Heights | city | California | United States | 39.23 | -121.07 | 2598 | |
| Sunrise Mobile Home Park | city | California | United States | 37.37 | -118.39 | 4199 | |
| Sunrise Vista | city | California | United States | 38.88 | -122.73 | 2598 | |
| Sunset | city | California | United States | 39.25 | -121.65 | 72 | |
| Sunset Beach | city | California | United States | 33.72 | -118.07 | 3 | |
| Sunset Cliffs | city | California | United States | 32.73 | -117.25 | 209 | |
| Sunset District | city | California | United States | 37.75 | -122.50 | 278 | |
| Sunset Estates Mobile Home Park | city | California | United States | 37.40 | -122.06 | 78 | |
| Sunset Hills | city | California | United States | 34.50 | -117.22 | 3349 | |
| Sunset Mobile Home Park | city | California | United States | 38.65 | -121.06 | 830 | |
| Sunset Palisades | city | California | United States | 35.17 | -120.70 | 0 | |
| Sunset Point | city | California | United States | 38.19 | -120.36 | 3398 | |
| Sunset Ridge | city | California | United States | 34.45 | -117.39 | 3349 | |
| Sunset Terrace Mobile Home Park | city | California | United States | 33.15 | -117.07 | 830 | |
| Sunset View | city | California | United States | 39.23 | -121.10 | 2509 | |
| Sunshine Camp | city | California | United States | 37.99 | -120.28 | 2860 | |
| Sunsweet | city | California | United States | 34.06 | -117.68 | 954 | |
| Suntown | city | California | United States | 33.78 | -116.46 | 298 | |
| Surf | city | California | United States | 34.68 | -120.60 | 164 | |
| Surf and Sand Mobile Home Park | city | California | United States | 36.97 | -121.96 | 0 | |
| Surfside | city | California | United States | 33.73 | -118.08 | 0 | |
| Surgone | city | California | United States | 41.33 | -123.85 | 200 | |
| Surprise Station | city | California | United States | 41.57 | -120.44 | 5029 | |
| Susanville | city | California | United States | 40.42 | -120.65 | 4199 | |
| Suscol | city | California | United States | 38.24 | -122.28 | 9 | |
| Sutter | city | California | United States | 39.16 | -121.75 | 55 | |
| Sutter Creek | city | California | United States | 38.39 | -120.80 | 1669 | |
| Sutter Hill | city | California | United States | 38.38 | -120.80 | 1669 | |
| Suty (historical) | city | California | United States | 41.87 | -121.42 | 4189 | |
| Suval | city | California | United States | 38.25 | -122.08 | 26 |