| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Fort Babine | city | British Columbia | Canada | 55.32 | -126.62 | 2552 | 129 |
| Fort Bagdadiah | city | Al Anbar | Iraq | 33.85 | 42.55 | 272 | 0 |
| Fort Baldwin | city | Maine | United States | 43.75 | -69.79 | 78 | |
| Fort Bara | city | Punjab | Pakistan | 28.95 | 71.63 | 324 | 9536 |
| Fort Barker (historical) | city | Kentucky | United States | 38.03 | -84.03 | 1049 | |
| Fort Barnard Heights | city | Virginia | United States | 38.85 | -77.09 | 72 | |
| Fort Barnwell | city | North Carolina | United States | 35.29 | -77.33 | 32 | |
| Fort Basinger | city | Florida | United States | 27.36 | -81.06 | 36 | |
| Fort Bayard | city | Guangdong | China | 21.28 | 110.34 | 108 | 230001 |
| Fort Bayard | city | New Mexico | United States | 32.80 | -108.15 | 6125 | |
| Fort Bayou (historical) | city | Mississippi | United States | 30.45 | -88.72 | 9 | |
| Fort Bayou Estates | city | Mississippi | United States | 30.42 | -88.79 | 16 | |
| Fort Beaufort | city | Eastern Cape | South Africa | -32.77 | 26.63 | 1669 | 33062 |
| Fort Beaufort | city | Eastern Cape | South Africa | -32.77 | 26.58 | 1669 | 7328 |
| Fort Beaufort Airport | airport | -32.79 | 26.58 | 1581 | 0 | ||
| Fort Belknap Agency | city | Montana | United States | 48.48 | -108.77 | 2509 | |
| Fort Bellefontaine | city | Missouri | United States | 38.84 | -90.24 | 830 | |
| Fort Bely | city | No | Haiti | 19.77 | -72.25 | 1669 | 82116 |
| Fort Bely | city | No | Haiti | 19.77 | -72.25 | 1669 | 82116 |
| Fort Benning | city | Georgia | United States | 32.35 | -84.97 | 321 | |
| Fort Benton | city | Montana | United States | 47.82 | -110.67 | 2660 | |
| Fort Bidwell | city | California | United States | 41.86 | -120.15 | 4507 | |
| Fort Big Spring | city | Colorado | United States | 38.93 | -102.83 | 4498 | |
| Fort Binger | city | Bas-Sassandra | Cote D'Ivoire (Ivory Coast) | 5.37 | -7.28 | 830 | 2384 |
| Fort Blackmore | city | Virginia | United States | 36.77 | -82.59 | 1669 | |
| Fort Bladenburg | city | Western | Ghana | 4.79 | -2.13 | 0 | 10712 |
| Fort Boettcher | city | Colorado | United States | 40.80 | -106.54 | 8389 | |
| Fort Boho | city | Bari | Somalia | 11.93 | 50.88 | 22 | 760 |
| Fort Boise (historical) | city | Idaho | United States | 43.83 | -117.01 | 2509 | |
| Fort Bonifacio | city | Makati | Philippines | 14.53 | 121.04 | 36 | 1975239 |
| Fort Borsi | city | Vlore | Albania | 40.06 | 19.86 | 882 | 2187 |
| Fort Braden | city | Florida | United States | 30.42 | -84.54 | 124 | |
| Fort Bragg | city | California | United States | 39.45 | -123.81 | 26 | |
| Fort Branch | city | Indiana | United States | 38.25 | -87.58 | 830 | |
| Fort Branch | city | West Virginia | United States | 37.85 | -81.94 | 830 | |
| Fort Bretonnet | city | Chari-Baguirmi | Chad | 10.48 | 16.71 | 931 | 13687 |
| Fort Bridge | city | South Dublin | Ireland | 53.26 | -6.37 | 830 | 84178 |
| Fort Bridger | city | Wyoming | United States | 41.32 | -110.38 | 6778 | |
| Fort Brook Landing | city | Florida | United States | 29.51 | -81.91 | 22 | |
| Fort Brooke | city | Sarawak | Malaysia | 2.30 | 111.82 | 3 | 47363 |
| Fort Brown | city | Eastern Cape | South Africa | -33.13 | 26.62 | 928 | 56 |
| Fort Brown | city | Ohio | United States | 41.11 | -84.42 | 830 | |
| Fort Bruce | city | Jonglei | South Sudan | 6.80 | 33.13 | 1669 | 447 |
| Fort Brussaux | city | Ouham | Central African Republic | 7.63 | 16.96 | 1669 | 1358 |
| Fort Brusseaux | city | Ouham | Central African Republic | 7.63 | 16.96 | 1669 | 1358 |
| Fort Buhlow | city | Louisiana | United States | 31.33 | -92.45 | 59 | |
| Fort Bull | city | South Carolina | United States | 32.84 | -80.06 | 9 | |
| Fort Bâtard | city | Nord-Pas-de-Calais | France | 50.90 | 2.07 | 9 | 8828 |