Bonnaud is a surname. Notable people with the surname include:
Frédéric Bonnaud (born 1967), head of the Cinémathèque française and French journalist Jacques Philippe Bonnaud or Bonneau (1757–1797), French military officer Robert Bonnaud (1929–2013), French historian Jacques Jules Bonnaud (1740–1792), martyred Haitian-French priest
See also Bonneau, surname Bonnot, surname Christian Bonaud (1957–2019), French Islamologist