John Rowan
John Rowan may refer to:
- John Rowan (American football)
- John Rowan (footballer), Scottish footballer
- John Rowan (high sheriff), Irish high sheriff and militia officer
- John Rowan (Kentucky politician), politician and jurist from the U.S. state of Kentucky
- John Rowan (New York), 1st [New York State Legislature|assemblyman 1777-78]
- John Rowan (psychologist), author, counselor, psychotherapist and clinical supervisor
- John Rowan (United States Navy), U.S. Navy captain
- John Rowan (Vietnam War veteran), sixth National President of Vietnam Veterans of America
- John M. Rowan, politician from the U.S. state of Virginia