Fort Henry, Ontario, is a National Historic Site of Canada.

Fort Henry, Virginia, is a fort situated near present day Wheeling, West Virginia.

Fort Henry was an earthen fort on the Tennessee River in Stewart County, Tennessee, site of the 1862 Battle of Fort Henry in the American Civil War. The fort was named for Gustavus Adolphus Henry Sr., a wealthy business man and senator of the Confederate States of America (CSA) 1862 to 1865.