Rheault or Rhéault is a family name. Notable people with the name include:
François Messier-Rheault, Canadian cinematographer Jenna Rheault (born 1996), American ice hockey player Jon Rheault (born 1986) American ice hockey player Joseph-Eugène Rhéault (1856–1921), Canadian politician Robert Rheault (1925–2013), American military officer Wendy Rheault (born 1955), Canadian academic administrator