| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Fort Gadsden | city | Florida | United States | 29.92 | -84.98 | 16 | |
| Fort Gage | city | Illinois | United States | 37.96 | -89.90 | 360 | |
| Fort Gaines | city | Alabama | United States | 30.25 | -88.07 | 0 | |
| Fort Gaines | city | Georgia | United States | 31.61 | -85.05 | 255 | |
| Fort Galatea | city | New Zealand | -38.40 | 176.73 | 830 | 820 | |
| Fort Gardel | city | Illizi | Algeria | 24.88 | 8.44 | 4189 | 0 |
| Fort Garland | city | Colorado | United States | 37.43 | -105.43 | 7893 | |
| Fort Gass (historical) | city | Ohio | United States | 39.22 | -84.79 | 830 | |
| Fort Gates | city | Florida | United States | 29.42 | -81.66 | 3 | |
| Fort Gates | city | Texas | United States | 31.40 | -97.71 | 830 | |
| Fort Gay | city | West Virginia | United States | 38.12 | -82.60 | 830 | |
| Fort George | city | Belize | Belize | 17.48 | -88.17 | 0 | 5503 |
| Fort George | city | Quebec | Canada | 53.83 | -79.02 | 3 | 115 |
| Fort George | city | Guernsey | 49.45 | -2.54 | 0 | 24194 | |
| Fort George | city | Saint Mary | Jamaica | 18.24 | -76.77 | 160 | 22803 |
| Fort George | city | Clarendon | Jamaica | 18.20 | -77.23 | 1669 | 16722 |
| Fort George | city | Saint Andrew | Jamaica | 18.08 | -76.80 | 1669 | 196706 |
| Fort George | city | Kasese | Uganda | -0.14 | 29.83 | 2529 | 6798 |
| Fort George | city | Highland | United Kingdom | 57.57 | -4.03 | 42 | 11328 |
| Fort George | city | Maine | United States | 44.39 | -68.81 | 98 | |
| Fort George Airport | airport | 53.82 | -79.00 | 0 | |||
| Fort George G Mead Junction | city | Maryland | United States | 39.13 | -76.79 | 147 | |
| Fort George Island | city | Florida | United States | 30.40 | -81.43 | 3 | |
| Fort Gibson | city | Oklahoma | United States | 35.80 | -95.25 | 830 | |
| Fort Gibson (historical) | city | Indiana | United States | 38.28 | -87.51 | 830 | |
| Fort Glenora | city | British Columbia | Canada | 57.83 | -131.31 | 1745 | 0 |
| Fort Gloster | city | West Bengal | India | 22.50 | 88.18 | 6 | 189223 |
| Fort Gobard | city | Sid | Haiti | 18.23 | -73.65 | 173 | 14566 |
| Fort Goff | city | California | United States | 41.86 | -123.26 | 2001 | |
| Fort Goldie | city | Nigeria | 9.37 | 4.60 | 242 | 2072 | |
| Fort Good Hope | city | Northwest Territories | Canada | 66.27 | -128.63 | 88 | 147 |
| Fort Gordon | city | Georgia | United States | 33.42 | -82.16 | 830 | |
| Fort Gorges | city | Maine | United States | 43.66 | -70.22 | 0 | |
| Fort Gouraud | city | Tiris Zemmour | Mauritania | 22.70 | -12.73 | 997 | 200 |
| Fort Goureaud | city | Tiris Zemmour | Mauritania | 22.70 | -12.73 | 997 | 200 |
| Fort Graham | city | British Columbia | Canada | 56.60 | -124.63 | 2509 | 0 |
| Fort Grahame | city | British Columbia | Canada | 56.60 | -124.63 | 2509 | 0 |
| Fort Grahame Airport | airport | 56.52 | -124.47 | 2230 | 0 | ||
| Fort Grand | city | West Virginia | United States | 39.58 | -80.09 | 1023 | |
| Fort Green | city | Florida | United States | 27.61 | -81.94 | 108 | |
| Fort Green Springs | city | Florida | United States | 27.59 | -81.94 | 121 | |
| Fort Greene | city | New York | United States | 40.69 | -73.97 | 65 | |
| Fort Grey | city | Eastern Cape | South Africa | -33.03 | 27.78 | 830 | 16073 |
| Fort Griffin | city | Texas | United States | 32.93 | -99.23 | 1253 |