Daudet is a surname. Notable people with the surname include:
Alphonse Daudet, French novelist
Léon Daudet, French journalist, writer, an active Orléanist, and a member of the Académie Goncourt (a son of the former)
Lucien Daudet, another son of Alphonse, novelist, painter, and friend of Marcel Proust
Joris Daudet (born 1991), French cyclist