| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Gabilan (historical) | city | California | United States | 36.55 | -121.49 | 118 | |
| Gabilan Acres | city | California | United States | 36.76 | -121.62 | 200 | |
| Gadwall (historical) | city | California | United States | 37.02 | -120.76 | 101 | |
| Gage | city | California | United States | 33.98 | -118.13 | 124 | |
| Gale | city | California | United States | 34.86 | -116.84 | 2001 | |
| Galena Hill (historical) | city | California | United States | 39.47 | -121.06 | 2798 | |
| Galivan | city | California | United States | 33.57 | -117.67 | 393 | |
| Gallaway | city | California | United States | 38.87 | -123.65 | 196 | |
| Gallinas | city | California | United States | 38.02 | -122.53 | 29 | |
| Galt | city | California | United States | 38.25 | -121.30 | 49 | |
| Ganns | city | California | United States | 38.40 | -120.16 | 6709 | |
| Garberville | city | California | United States | 40.10 | -123.80 | 830 | |
| Garcia Avenue Mobile Home Park | city | California | United States | 37.38 | -122.02 | 85 | |
| Garden Acres | city | California | United States | 37.96 | -121.23 | 29 | |
| Garden Acres Mobile Home Park | city | California | United States | 38.58 | -121.54 | 13 | |
| Garden City Trailer Court | city | California | United States | 37.37 | -121.89 | 75 | |
| Garden Court Mobile Home Village | city | California | United States | 37.38 | -121.96 | 36 | |
| Garden Farms | city | California | United States | 35.42 | -120.61 | 958 | |
| Garden Grovas | city | California | United States | 33.77 | -117.94 | 68 | |
| Garden Grove | city | California | United States | 33.77 | -117.94 | 68 | |
| Garden Park | city | California | United States | 34.09 | -117.27 | 1026 | |
| Garden Valley | city | California | United States | 38.85 | -120.86 | 2001 | |
| Garden Valley (historical) | city | California | United States | 39.43 | -121.11 | 2014 | |
| Gardena | city | California | United States | 33.89 | -118.31 | 55 | |
| Gardenland | city | California | United States | 38.61 | -121.47 | 16 | |
| Gardners Trailer Park | city | California | United States | 33.74 | -117.90 | 55 | |
| Garey | city | California | United States | 34.89 | -120.31 | 396 | |
| Garlock | city | California | United States | 35.40 | -117.79 | 2509 | |
| Garnet | city | California | United States | 33.90 | -116.55 | 830 | |
| Garnsey | city | California | United States | 34.17 | -118.40 | 830 | |
| Garvanza | city | California | United States | 34.12 | -118.18 | 830 | |
| Garvey | city | California | United States | 34.89 | -120.31 | 396 | |
| Gas Point | city | California | United States | 40.42 | -122.53 | 830 | |
| Gaspur (historical) | city | California | United States | 33.78 | -118.22 | 3 | |
| Gasquet | city | California | United States | 41.85 | -123.97 | 1669 | |
| Gaston | city | California | United States | 39.39 | -120.74 | 5029 | |
| Gate Place | city | California | United States | 39.93 | -120.58 | 5869 | |
| Gateley | city | California | United States | 38.01 | -122.31 | 160 | |
| Gateway | city | California | United States | 39.33 | -120.20 | 5997 | |
| Gato | city | California | United States | 34.46 | -120.38 | 0 | |
| Gavilan Hills | city | California | United States | 33.78 | -117.37 | 2509 | |
| Gaviota | city | California | United States | 34.47 | -120.21 | 0 | |
| Gazelle | city | California | United States | 41.52 | -122.52 | 2798 |