Fort Washington may refer to:

• Battle of Fort Washington, during the American Revolutionary War

• Fort Washington, a sub-post of Fort Adams, Mississippi, near Washington in the Mississippi Territory
• Fort Washington Avenue, Manhattan, New York City
• Fort Washington, California, a census-designated place
• Fort Washington (Manhattan), former American Revolutionary War-era fort in Manhattan, New York City
• Fort Washington, Maryland, a census-designated place
• Fort Washington (Massachusetts), an American Revolutionary War-era earthworks in Cambridge, near MIT
• Fort Washington (Ohio), former frontier outpost in Cincinnati
• Fort Washington Park, a historic fort that guarded Washington, DC
• Fort Washington Park (New York City), 160-acre park in Manhattan, New York City
• Fort Washington, Pennsylvania, census designated place
• Fort Washington station
• Fort Washington State Park
• Fort Washington Way, an expressway that carries Interstate 71 and US Route 50 in downtown Cincinnati

• Port Washington (disambiguation)
• The Saint of Fort Washington, a film