Fourneau is a French surname. Notable people with the surname include:
Ernest Fourneau (1872–1949), French medicinal chemist Jean-Claude Fourneau (1907–1981), French surrealist painter Léon Fourneau (1900–?), Belgian middle-distance runner Marie-Therese Fourneau (1924―2000), French classical pianist
See also Furneaux (surname)