Chenault is a surname. Notable people with the surname include:
Chelsea Chenault (born 1994), competitive swimmerCynthia Chenault (born 1937), actress (screen name Cindy Robbins) and television writerGene Chenault (1919–2010), co-founder of Drake-Chenault radio syndication companyKenneth Chenault (born 1951), chairman of American ExpressLawrence Chenault (1877–?), silent film actorLéon Chenault (1853–1930), botanistMarcus Wayne Chenault (1951–1995), convicted killer of Alberta KingMike Chenault (born 1957), Speaker of the Alaska House of RepresentativesRenee Chenault-Fattah (born 1957), television news anchor