| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Uceta | city | Florida | United States | 27.97 | -82.39 | 22 | |
| Uceta Gardens | city | Florida | United States | 27.96 | -82.38 | 19 | |
| Uceta Heights | city | Florida | United States | 27.98 | -82.38 | 9 | |
| Uceta Pines | city | Florida | United States | 27.97 | -82.40 | 29 | |
| Uleta | city | Florida | United States | 27.93 | -82.48 | 9 | |
| Ulmerton | city | Florida | United States | 27.89 | -82.77 | 6 | |
| Umatilla | city | Florida | United States | 28.93 | -81.67 | 78 | |
| Underwood Crossing | city | Florida | United States | 30.97 | -85.58 | 196 | |
| Union | city | Florida | United States | 30.80 | -86.04 | 219 | |
| Union Park | city | Florida | United States | 28.57 | -81.29 | 75 | |
| United Trailer Park | city | Florida | United States | 28.04 | -81.94 | 147 | |
| Unity Circle | city | Florida | United States | 28.00 | -82.43 | 55 | |
| University Lakes Mobile Home Park | city | Florida | United States | 25.76 | -80.40 | 3 | |
| University Park | city | Florida | United States | 26.39 | -80.13 | 13 | |
| University Park | city | Florida | United States | 28.57 | -81.21 | 72 | |
| University Park | city | Florida | United States | 25.75 | -80.37 | 6 | |
| University Square | city | Florida | United States | 28.04 | -82.40 | 72 | |
| University Village | city | Florida | United States | 28.06 | -82.44 | 26 | |
| University Village Mobile Home Park | city | Florida | United States | 28.57 | -81.18 | 49 | |
| University Woods | city | Florida | United States | 28.08 | -82.42 | 32 | |
| Up the Grove Beach | city | Florida | United States | 27.18 | -80.73 | 16 | |
| Upper Captiva | city | Florida | United States | 26.60 | -82.22 | 3 | |
| Upper Grand Lagoon | city | Florida | United States | 30.16 | -85.74 | 3 | |
| Urania | city | Florida | United States | 27.94 | -82.49 | 9 | |
| Urbanrest | city | Florida | United States | 27.91 | -82.49 | 0 | |
| Urbans Mobile Home Park | city | Florida | United States | 29.14 | -81.85 | 91 | |
| Urbo Florido | city | Florida | United States | 25.45 | -80.48 | 6 | |
| Usher | city | Florida | United States | 29.41 | -82.82 | 32 | |
| Ushers Trailer Park | city | Florida | United States | 26.85 | -80.64 | 16 | |
| Usina Beach | city | Florida | United States | 29.95 | -81.30 | 3 | |
| Utopia | city | Florida | United States | 27.29 | -82.36 | 29 | |
| Utopia | city | Florida | United States | 25.99 | -80.20 | 9 |