Fort Johnson (disambiguation)

Fort Johnson (formerly Fort Polk) is a US military base in Vernon Parish, Louisiana. It may also refer to:


 * Fort Johnson (19th century), a historic site in Hancock County, Illinois
 * Fort Johnson (South Carolina), a historic site on the northeast point of James Island, South Carolina, also adjacent to Fort Sumter
 * Fort Johnson, New York, a village in Montgomery County
 * Fort Johnson Volunteer Fire Company, a fire company in Fort Johnson, New York
 * Old Fort Johnson, a historic house in the village of Fort Johnson, New York