| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Fort Parker | city | Texas | United States | 31.56 | -96.55 | 830 | |
| Fort Payne | city | Alabama | United States | 34.44 | -85.72 | 1092 | |
| Fort Peck | city | Montana | United States | 48.01 | -106.45 | 2509 | |
| Fort Pendleton | city | Maryland | United States | 39.30 | -79.37 | 2598 | |
| Fort Peyton | city | Florida | United States | 29.83 | -81.35 | 22 | |
| Fort Phantom Hill (historical) | city | Texas | United States | 32.63 | -99.68 | 1669 | |
| Fort Pickens | city | Florida | United States | 30.33 | -87.30 | 0 | |
| Fort Piegan | city | Montana | United States | 48.63 | -112.65 | 4189 | |
| Fort Pierce | city | Florida | United States | 27.45 | -80.33 | 6 | |
| Fort Pierce Shores | city | Florida | United States | 27.49 | -80.30 | 3 | |
| Fort Pierre | city | South Dakota | United States | 44.35 | -100.37 | 1669 | |
| Fort Pillow | city | Tennessee | United States | 35.66 | -89.74 | 262 | |
| Fort Piute (historical) | city | California | United States | 35.11 | -114.99 | 2893 | |
| Fort Plain | city | New York | United States | 42.93 | -74.62 | 305 | |
| Fort Plains | city | New Jersey | United States | 40.18 | -74.25 | 164 | |
| Fort Polk | city | Louisiana | United States | 31.05 | -93.21 | 295 | |
| Fort Popham | city | Maine | United States | 43.76 | -69.78 | 0 | |
| Fort Powhatan | city | Virginia | United States | 37.27 | -77.08 | 45 | |
| Fort Preble | city | Maine | United States | 43.65 | -70.23 | 0 | |
| Fort Prince Farms | city | South Carolina | United States | 34.97 | -82.06 | 830 |