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)