| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Waddington | city | California | United States | 40.57 | -124.20 | 154 | |
| Wade Place | city | California | United States | 40.30 | -121.92 | 1751 | |
| Wadstrom | city | California | United States | 34.32 | -119.29 | 223 | |
| Wagner | city | California | United States | 38.36 | -119.88 | 5869 | |
| Wagner | city | California | United States | 37.80 | -121.08 | 75 | |
| Wagners (historical) | city | California | United States | 39.65 | -121.23 | 4189 | |
| Wagon Wheel Mobile Home Park | city | California | United States | 39.39 | -123.35 | 1669 | |
| Wagoner | city | California | United States | 40.57 | -122.03 | 925 | |
| Wahoo (historical) | city | California | United States | 34.24 | -118.39 | 885 | |
| Wahtoke | city | California | United States | 36.68 | -119.46 | 354 | |
| Wainwright Village | city | California | United States | 37.74 | -121.42 | 52 | |
| Waldo | city | California | United States | 37.87 | -122.50 | 3 | |
| Waldo Junction | city | California | United States | 39.11 | -121.31 | 351 | |
| Waldon | city | California | United States | 37.93 | -122.06 | 187 | |
| Waldorf | city | California | United States | 34.91 | -120.56 | 396 | |
| Waldrue Heights | city | California | United States | 38.36 | -122.56 | 830 | |
| Walerga | city | California | United States | 38.67 | -121.37 | 98 | |
| Walker | city | California | United States | 38.51 | -119.48 | 5423 | |
| Walker | city | California | United States | 33.98 | -118.17 | 98 | |
| Walker | city | California | United States | 41.83 | -122.84 | 2509 | |
| Walker Landing | city | California | United States | 38.22 | -121.61 | 3 | |
| Walker Place (historical) | city | California | United States | 40.22 | -122.54 | 830 | |
| Walkermine (historical) | city | California | United States | 39.96 | -120.67 | 6197 | |
| Wallace | city | California | United States | 38.19 | -120.98 | 236 | |
| Wallace Center | city | California | United States | 35.17 | -119.47 | 875 | |
| Walltown | city | California | United States | 38.57 | -121.10 | 357 | |
| Walmort | city | California | United States | 38.38 | -121.24 | 78 | |
| Walnut | city | California | United States | 34.02 | -117.87 | 830 | |
| Walnut Creek | city | California | United States | 37.91 | -122.06 | 196 | |
| Walnut Grove | city | California | United States | 38.24 | -121.51 | 3 | |
| Walnut Heights | city | California | United States | 37.88 | -122.05 | 196 | |
| Walnut Hills Mobile Home Park | city | California | United States | 34.04 | -117.82 | 830 | |
| Walnut Park | city | California | United States | 33.97 | -118.23 | 98 | |
| Walnut Ridge | city | California | United States | 34.13 | -117.44 | 1669 | |
| Walnut Trailer Villa | city | California | United States | 38.58 | -121.54 | 13 | |
| Walong | city | California | United States | 35.20 | -118.54 | 3349 | |
| Walsh Landing | city | California | United States | 38.56 | -123.30 | 177 | |
| Walsh Station | city | California | United States | 38.53 | -121.33 | 59 | |
| Walter Springs | city | California | United States | 38.65 | -122.36 | 830 | |
| Walteria | city | California | United States | 33.81 | -118.35 | 98 | |
| Walthal | city | California | United States | 37.98 | -121.15 | 62 | |
| Walton Place (historical) | city | California | United States | 34.68 | -117.69 | 3349 | |
| Waltz | city | California | United States | 34.36 | -118.52 | 1669 | |
| Wanda (historical) | city | California | United States | 33.81 | -117.82 | 321 | |
| Wanhala | city | California | United States | 39.47 | -123.55 | 830 | |
| Warm Springs | city | California | United States | 34.12 | -117.25 | 1102 | |
| Warm Springs | city | California | United States | 34.11 | -117.26 | 1066 | |
| Warm Springs District | city | California | United States | 37.49 | -121.93 | 85 | |
| Warm Springs Mobile Home Park | city | California | United States | 33.54 | -117.17 | 1115 | |
| Warmcastle Mobile Home Park | city | California | United States | 41.22 | -122.15 | 3349 | |
| Warner | city | California | United States | 34.06 | -117.15 | 1669 | |
| Warner Springs | city | California | United States | 33.28 | -116.63 | 3349 | |
| Warnerville | city | California | United States | 37.73 | -120.60 | 239 | |
| Warren (historical) | city | California | United States | 35.11 | -118.21 | 3349 | |
| Warren (historical) | city | California | United States | 35.17 | -119.53 | 1669 | |
| Wasco | city | California | United States | 35.59 | -119.34 | 314 | |
| Waseck | city | California | United States | 41.22 | -123.76 | 830 | |
| Washington | city | California | United States | 39.36 | -120.80 | 3349 | |
| Washoe | city | California | United States | 38.31 | -122.74 | 249 | |
| Waterford | city | California | United States | 37.64 | -120.76 | 104 | |
| Waterford Village | city | California | United States | 38.73 | -121.08 | 830 | |
| Waterloo | city | California | United States | 38.03 | -121.19 | 59 | |
| Watermans Corner | city | California | United States | 32.78 | -115.45 | -1689 | |
| Watson | city | California | United States | 33.81 | -118.23 | 19 | |
| Watson | city | California | United States | 40.05 | -122.69 | 3398 | |
| Watson Junction | city | California | United States | 33.80 | -118.25 | 3 | |
| Watsonville | city | California | United States | 36.91 | -121.76 | 19 | |
| Watsonville Junction | city | California | United States | 36.89 | -121.75 | 36 | |
| Watts | city | California | United States | 33.94 | -118.24 | 98 | |
| Waugh (historical) | city | California | United States | 40.59 | -122.44 | 830 | |
| Waukell Flat (historical) | city | California | United States | 41.52 | -124.02 | 196 | |
| Waukena | city | California | United States | 36.14 | -119.51 | 200 | |
| Waverly Park | city | California | United States | 37.37 | -122.07 | 183 | |
| Wawona | city | California | United States | 37.54 | -119.66 | 4294 | |
| Wayne | city | California | United States | 37.39 | -121.90 | 62 |