Chenault is a surname. Notable people with the surname include:
Chelsea Chenault (born 1994), competitive swimmer
Cynthia Chenault (born 1937), actress (screen name Cindy Robbins) and television writer
Gene Chenault (1919–2010), co-founder of Drake-Chenault radio syndication company
Kenneth Chenault (born 1951), chairman of American Express
Lawrence Chenault (1877–?), silent film actor
Léon Chenault (1853–1930), botanist
Marcus Wayne Chenault (1951–1995), convicted killer of Alberta King
Mike Chenault (born 1957), Speaker of the Alaska House of Representatives
Renee Chenault-Fattah (born 1957), television news anchor
