| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Fort D'Acre | city | Eastern Cape | South Africa | -33.50 | 27.12 | 0 | 282 |
| Fort Dabei | city | Dubayy | United Arab Emirates | 25.26 | 55.30 | 0 | 18056 |
| Fort Dale | city | Alabama | United States | 31.89 | -86.66 | 830 | |
| Fort Dansborg | city | Tamil Nadu | India | 11.03 | 79.85 | 3 | 43129 |
| Fort Dauphin | city | Toliara | Madagascar | -25.03 | 46.99 | 9 | 40234 |
| Fort Davis | city | Colon | Panama | 9.29 | -79.91 | 85 | 39734 |
| Fort Davis | city | Alabama | United States | 32.24 | -85.71 | 291 | |
| Fort Davis | city | District of Columbia | United States | 38.87 | -76.95 | 196 | |
| Fort Davis | city | Texas | United States | 30.59 | -103.89 | 5029 | |
| Fort Dawes | city | Massachusetts | United States | 42.35 | -70.96 | 0 | |
| Fort De Soto | city | Florida | United States | 27.62 | -82.74 | 0 | |
| Fort Dearborn Addition | city | Illinois | United States | 41.89 | -87.63 | 830 | |
| Fort Defiance | city | Arizona | United States | 35.74 | -109.08 | 6833 | |
| Fort Defiance | city | North Carolina | United States | 36.02 | -81.50 | 1669 | |
| Fort Defiance | city | Virginia | United States | 38.24 | -78.97 | 1669 | |
| Fort Deposit | city | Alabama | United States | 31.98 | -86.58 | 830 | |
| Fort Deposit (historical) | city | Alabama | United States | 34.43 | -86.33 | 830 | |
| Fort Derawar | city | Punjab | Pakistan | 28.77 | 71.33 | 324 | 9536 |
| Fort Des Moines | city | Iowa | United States | 41.52 | -93.62 | 948 | |
| Fort Deterick | city | Maryland | United States | 39.44 | -77.43 | 334 | |
| Fort Devens | city | Massachusetts | United States | 42.54 | -71.61 | 301 | |
| Fort Dick | city | California | United States | 41.87 | -124.15 | 157 | |
| Fort Dimanche | city | Lwes | Haiti | 18.57 | -72.34 | 65 | 266005 |
| Fort Dix | city | New Jersey | United States | 40.03 | -74.62 | 134 | |
| Fort Dodge | city | Iowa | United States | 42.50 | -94.17 | 1108 | |
| Fort Dodge | city | Kansas | United States | 37.73 | -99.94 | 2509 | |
| Fort Donald | city | Eastern Cape | South Africa | -30.76 | 29.56 | 4550 | 8808 |
| Fort Donnally | city | West Virginia | United States | 37.94 | -80.48 | 2509 | |
| Fort Douglas | city | Arkansas | United States | 35.68 | -93.24 | 830 | |
| Fort Douglas | city | Utah | United States | 40.76 | -111.83 | 5029 | |
| Fort Downer | city | Kansas | United States | 38.84 | -99.98 | 2509 | |
| Fort Drane | city | Florida | United States | 29.39 | -82.25 | 147 | |
| Fort Dromard | city | Agadez | Niger | 18.69 | 12.92 | 1715 | 250 |
| Fort Drum | city | Florida | United States | 27.53 | -80.81 | 49 | |
| Fort Duchesne | city | Utah | United States | 40.29 | -109.85 | 5029 | |
| Fort Ducot | city | Latibonit | Haiti | 19.08 | -72.28 | 5029 | 25686 |
| Fort Dufferin | city | Mandalay | Burma | 21.99 | 96.10 | 249 | 756775 |
| Fort Dundas | city | Northern Territory | Australia | -11.42 | 130.43 | 19 | 0 |
| Fort Dupont | city | District of Columbia | United States | 38.87 | -76.94 | 249 | |
| Fort Duquesne | city | Jijel | Algeria | 36.77 | 5.81 | 98 | 85602 |
| Fort Durocher | city | No | Haiti | 19.75 | -72.23 | 314 | 113632 |
| Fort Duvall | city | Massachusetts | United States | 42.30 | -70.90 | 0 | |
| Fort D’Acre | city | Eastern Cape | South Africa | -33.50 | 27.12 | 0 | 282 |