Cowart is a surname. Notable people with the surname include:Byron Cowart, American football player Daniel Cowart, man suspected of a plot to assassinate Barack Obama in 2008 Dax Cowart, attorney noted for the ethical issues raised by efforts to sustain his life against his wishes Donald Cowart, American steeplechase runner Gwendolyne Cowart (1920–2003), American pilot during World War II Kaleb Cowart, American baseball player Sam Cowart, former American football linebacker Shea Cowart, American sprinter