| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Toadtown | city | California | United States | 39.89 | -121.59 | 2841 | |
| Tobin | city | California | United States | 39.94 | -121.31 | 2509 | |
| Tocaloma | city | California | United States | 38.05 | -122.76 | 216 | |
| Todd Place | city | California | United States | 35.27 | -120.16 | 1968 | |
| Todd Valley | city | California | United States | 39.00 | -120.85 | 2621 | |
| Tokay | city | California | United States | 36.55 | -119.36 | 367 | |
| Toland Landing | city | California | United States | 38.09 | -121.75 | 3 | |
| Tolenas | city | California | United States | 38.27 | -122.01 | 36 | |
| Tollhouse | city | California | United States | 37.02 | -119.40 | 1994 | |
| Tom's Place | city | California | United States | 37.56 | -118.68 | 7549 | |
| Tomales | city | California | United States | 38.25 | -122.91 | 111 | |
| Toms Place | city | California | United States | 37.56 | -118.68 | 7549 | |
| Tomspur | city | California | United States | 38.06 | -121.28 | 29 | |
| Toners Place | city | California | United States | 38.53 | -123.18 | 1151 | |
| Tony Ziro Mobile Living Mobile Home Park | city | California | United States | 36.96 | -121.97 | 39 | |
| Tonyville | city | California | United States | 36.25 | -119.09 | 377 | |
| Toolville | city | California | United States | 36.29 | -119.12 | 390 | |
| Toomey | city | California | United States | 34.92 | -116.75 | 1850 | |
| Top of the World | city | California | United States | 33.55 | -117.75 | 977 | |
| Topanga | city | California | United States | 34.09 | -118.60 | 1062 | |
| Topanga Beach | city | California | United States | 34.04 | -118.58 | 0 | |
| Topanga Canyon | city | California | United States | 34.09 | -118.60 | 1062 | |
| Topanga Oaks | city | California | United States | 34.10 | -118.59 | 1171 | |
| Topanga Park | city | California | United States | 34.11 | -118.63 | 997 | |
| Topaz | city | California | United States | 38.62 | -119.52 | 5045 | |
| Tormey | city | California | United States | 38.05 | -122.25 | 98 | |
| Toro Canyon | city | California | United States | 34.42 | -119.57 | 0 | |
| Torrance | city | California | United States | 33.84 | -118.34 | 173 | |
| Tortuga | city | California | United States | 33.17 | -115.34 | 190 | |
| Tosco (historical) | city | California | United States | 33.69 | -114.60 | 291 | |
| Towle | city | California | United States | 39.20 | -120.80 | 4189 | |
| Town Talk | city | California | United States | 39.24 | -121.03 | 2788 | |
| Town and Country Mobile Home Park | city | California | United States | 33.14 | -117.05 | 830 | |
| Town and Country Mobile Home Park | city | California | United States | 32.83 | -116.97 | 364 | |
| Town and Country Trailer Estates | city | California | United States | 34.86 | -120.40 | 830 | |
| Town and Country Villa | city | California | United States | 33.75 | -117.92 | 36 | |
| Town and Country Village | city | California | United States | 38.62 | -121.40 | 52 | |
| Town of Fairfax | city | California | United States | 37.99 | -122.59 | 223 | |
| Toyanza Subdivision | city | California | United States | 38.19 | -120.67 | 1062 | |
| Toyon | city | California | United States | 38.20 | -120.77 | 951 |