Old Fort may refer to
in the Bahamas
Old Fort Bay
Old Fort of Nassau
in Canada
Old Fort 217 Indian Reserve, Alberta
Old Fort, Quebec (also known as Old Fort Bay or Vieux-Fort)
in India
Old Fort, Delhi
in Mauritania
Old Fort, Nouakchott
in South Africa
Old Fort (Durban), a national heritage site
in Tanzania
Old fort of Zanzibar
in the United States
(by state)
Old Fort (Miami, Missouri), listed on the NRHP in Missouri
Old Fort, North Carolina
Old Fort, Ohio
Old Fort, Pennsylvania
Old Fort, Wisconsin
Old Fort (Savannah, Georgia)