Gainous is a surname. Notable people with the surname include:
Fred Gainous (born 1947), American academic administrator
Gerald Gainous (born c. 1951), American White House intruder
This page lists people with the surnameGainous. 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.