McCowan is a Scottish surname. Notable people with the surname include:

• Alexander McCowan, Canadian politician
• Anthony McCowan, British barrister and judge
• Bob McCowan, Australian rugby union player
• Brenda McCowan, behaviorist
• George McCowan, Canadian film and television director
• John McCowan, British physicist
• Teaira McCowan (born 1996), American basketball player

This page lists people with the surname McCowan.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.