| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Fort MacKay | city | Alberta | Canada | 57.18 | -111.62 | 853 | 407 |
| Fort MacKay/Albian Aerodrome | airport | 57.22 | -111.42 | 1048 | 0 | ||
| Fort Mackay / Firebag | airport | 57.28 | -110.98 | 1762 | 0 | ||
| Fort Mackay / Horizon Airport | airport | 57.38 | -111.70 | 916 | 0 | ||
| Fort Mackenzie | city | Quebec | Canada | 56.88 | -68.98 | 1017 | 0 |
| Fort Mackinac | city | Michigan | United States | 45.85 | -84.62 | 830 | |
| Fort Macleod | city | Alberta | Canada | 49.73 | -113.40 | 3349 | 3664 |
| Fort Macleod (Alcock Farm) Airport | airport | 49.58 | -113.30 | 3340 | 0 | ||
| Fort Macleod (Hospital) Heliport | airport | 49.73 | -113.39 | 3095 | 0 | ||
| Fort Madison | city | Iowa | United States | 40.63 | -91.32 | 830 | |
| Fort Magruder Heights | city | Virginia | United States | 37.26 | -76.68 | 49 | |
| Fort Magsaysay | city | Nueva Ecija | Philippines | 15.43 | 121.08 | 164 | 17270 |
| Fort Makleodas | city | Alberta | Canada | 49.73 | -113.40 | 3349 | 3664 |
| Fort Malan | city | Eastern Cape | South Africa | -32.15 | 28.52 | 2509 | 9456 |
| Fort Manning | city | Mchinji | Malawi | -13.80 | 32.89 | 4189 | 22941 |
| Fort Manza | city | Toliara | Madagascar | -21.43 | 44.33 | 915 | 9536 |
| Fort Margosatubig | city | Zamboanga del Sur | Philippines | 7.58 | 123.17 | 830 | 23593 |
| Fort Maria | city | Vallee du Bandama | Cote D'Ivoire (Ivory Coast) | 7.40 | -5.56 | 830 | 4707 |
| Fort Martin | city | Mashonaland West | Zimbabwe | -18.23 | 30.58 | 4189 | 4023 |
| Fort Martin | city | West Virginia | United States | 39.71 | -79.95 | 1099 | |
| Fort Mason | city | Florida | United States | 28.88 | -81.70 | 65 | |
| Fort Matanzas | city | Florida | United States | 29.71 | -81.24 | 3 | |
| Fort McAllister | city | Georgia | United States | 31.89 | -81.20 | 3 | |
| Fort McCoy | city | Florida | United States | 29.36 | -81.97 | 91 | |
| Fort McDermott | city | Alabama | United States | 30.67 | -87.92 | 108 | |
| Fort McDonald | city | Arizona | United States | 34.24 | -111.35 | 5029 | |
| Fort McDowell | city | Arizona | United States | 33.64 | -111.67 | 1669 | |
| Fort McDowell | city | California | United States | 37.86 | -122.42 | 52 | |
| Fort McIntosh | city | Texas | United States | 27.51 | -99.52 | 377 | |
| Fort McKavett | city | Texas | United States | 30.83 | -100.11 | 2509 | |
| Fort McKenzie | city | Quebec | Canada | 56.88 | -68.98 | 1017 | 0 |
| Fort McKinley | city | Makati | Philippines | 14.53 | 121.04 | 36 | 1975239 |
| Fort McKinley | city | Ohio | United States | 39.80 | -84.25 | 954 | |
| Fort McLeod | city | British Columbia | Canada | 55.00 | -123.03 | 2509 | 66 |
| Fort McMurray | city | Alberta | Canada | 56.73 | -111.38 | 849 | 0 |
| Fort McMurray / Legend Airfield | airport | 57.20 | -112.90 | 2061 | 0 | ||
| Fort McMurray / Mildred Lake Airport | airport | 57.06 | -111.57 | 1046 | 0 | ||
| Fort McMurray / North Liege Airfield | airport | 57.14 | -113.29 | 2236 | 0 | ||
| Fort McMurray / South Liege Airfield | airport | 56.83 | -113.10 | 1707 | 0 | ||
| Fort McMurray Heliport | airport | 56.67 | -111.33 | 0 | |||
| Fort McMurray Seaplane Base | airport | 56.73 | -111.37 | 795 | 0 | ||
| Fort McMurray Water Aerodrome | airport | 56.73 | -111.38 | 0 | |||
| Fort McPherson | city | Northwest Territories | Canada | 67.43 | -134.87 | 42 | 452 |
| Fort McPherson | city | Georgia | United States | 33.71 | -84.43 | 1043 | |
| Fort McPherson Water Aerodrome | airport | 67.45 | -134.88 | 0 | |||
| Fort Meade | city | Florida | United States | 27.75 | -81.80 | 118 | |
| Fort Meade Mobile Home Park | city | Florida | United States | 27.75 | -81.79 | 88 | |
| Fort Meigs Place | city | Ohio | United States | 41.54 | -83.65 | 830 | |
| Fort Mercredi | city | Lwes | Haiti | 18.53 | -72.35 | 219 | 366060 |
| Fort Middle | city | Ireland | 52.39 | -8.76 | 249 | 2400 | |
| Fort Mileward | city | Federally Administered Tribal Areas | Pakistan | 33.87 | 71.43 | 1692 | 98215 |
| Fort Mill | city | South Carolina | United States | 35.01 | -80.95 | 830 | |
| Fort Miller | city | New York | United States | 43.16 | -73.58 | 190 | |
| Fort Miller (historical) | city | California | United States | 37.02 | -119.66 | 830 | |
| Fort Millot | city | Lac | Chad | 13.64 | 15.37 | 997 | 3493 |
| Fort Misery | city | Arizona | United States | 34.14 | -112.37 | 4429 | |
| Fort Mistake | city | KwaZulu-Natal | South Africa | -28.17 | 29.97 | 5121 | 525 |
| Fort Mitchell | city | Alabama | United States | 32.34 | -85.02 | 347 | |
| Fort Mitchell | city | Kentucky | United States | 39.06 | -84.55 | 830 | |
| Fort Mitchell | city | Virginia | United States | 36.92 | -78.49 | 830 | |
| Fort Montgomery | city | Eastern Cape | South Africa | -33.05 | 26.95 | 1233 | 732 |
| Fort Montgomery | city | Eastern Cape | South Africa | -33.07 | 26.95 | 1669 | 1266 |
| Fort Montgomery | city | New York | United States | 41.33 | -73.99 | 3 | |
| Fort Morgan | city | Alabama | United States | 30.23 | -88.02 | 0 | |
| Fort Morgan | city | Colorado | United States | 40.25 | -103.80 | 4320 | |
| Fort Morris | city | Massachusetts | United States | 42.65 | -72.68 | 1145 | |
| Fort Morrison | city | Massachusetts | United States | 42.70 | -72.70 | 830 | |
| Fort Morton | city | Kachin State | Burma | 25.03 | 97.70 | 4189 | 1131 |
| Fort Motte | city | South Carolina | United States | 33.74 | -80.69 | 170 | |
| Fort Motylindky | city | Tamanrasset | Algeria | 22.68 | 5.92 | 4189 | 0 |
| Fort Motylinski | city | Tamanrasset | Algeria | 22.68 | 5.92 | 4189 | 0 |
| Fort Moultrie | city | South Carolina | United States | 32.76 | -79.86 | 0 | |
| Fort Mountain (historical) | city | Georgia | United States | 34.77 | -84.75 | 938 | |
| Fort Mudge | city | Georgia | United States | 31.06 | -82.19 | 141 | |
| Fort Munro | city | Punjab | Pakistan | 29.93 | 69.99 | 6072 | 10132 |
| Fort Munro | city | Punjab | Pakistan | 29.94 | 69.97 | 5869 | 10132 |
| Fort Murray | city | Eastern Cape | South Africa | -32.94 | 27.49 | 928 | 45563 |
| Fort Myer Heights | city | Virginia | United States | 38.89 | -77.08 | 193 | |
| Fort Myers | city | Florida | United States | 26.64 | -81.87 | 6 | |
| Fort Myers Beach | city | Florida | United States | 26.45 | -81.95 | 0 | |
| Fort Myers Shores | city | Florida | United States | 26.71 | -81.75 | 6 | |
| Fort Myers Villas | city | Florida | United States | 26.56 | -81.86 | 6 | |
| Fort Médoc | city | Aquitaine | France | 45.11 | -0.70 | 3 | 8941 |