Fontenot is a surname of a number of American people, and may refer to:
Al Fontenot (born 1970), Chicago Bears defensive lineman Canray Fontenot (1922–1995), musician Jerry Fontenot (born 1966) football center Herman Fontenot (born 1963) football running back Heulette Fontenot (1961–2019) Louisiana politician and documentary film maker Terry Fontenot (born 1980), American football scout and former player Mary Alice Fontenot (1910–2003), children's books author Mike Fontenot (born 1980), baseball player Therrian Fontenot (born 1981), Philadelphia Eagles cornerback