Fort is a surname. Notable people with the surname include:
- Austin Fort (born 1995), American football player
- Charles Fort (1874–1932), American journalist and philosopher
- Charles Fort (poet) (born 1951), American poet
- Cornelia Fort (1919–1943), American aviator
- De Witt Clinton Fort (1830–1868), American politician
- Franklin W. Fort (1880–1937), American politician
- Garrett Fort (1900–1948), American screenwriter
- George F. Fort (1809–1872), American politician
- Greenbury L. Fort (1825–1883), American politician
- Guy Fort (1879–1942), American military officer
- Jeff Fort (born 1947), American gang leader and convicted terrorist
- John Franklin Fort (1852–1920), American politician
- M. K. Fort Jr. (1921–1964), American mathematician
- Marron Curtis Fort (1938–2019), American-German translator and educator
- Matthew Fort (born 1954), British food writer and critic
- Neal Fort (born 1968), American footballer
- Pascual Fort (1927–1991), Catalan printmaker
- Paul Fort (1872–1960), French poet
- Pavel Fořt (born 1983), Czech footballer
- Ricardo Fort (1968–2013), Argentine socialite
- Robert Boal Fort (1867–1904), American politician