Perreau is a French-language surname. It may refer to:
Ben Perreau (born 19800, British journalist and entrepreneur Bruno Perreau (born 1976), French political scientist Gigi Perreau (born 1941), American actress Joëlle Perreau (born 1974), Seychellois linguist Olivier Perreau (born 1986), French equestrian Pietro Perreau (1827–1911), Italian librarian, academic, and Hebraist Stéphan Perreau (born 1969), French flautist and art historian Yann Perreau (born 1976), Canadian singer from Quebec
See also Louis de Perreau, Sieur de Castillon, French ambassador to England during the reign of Henry VIII Perot (disambiguation) Perrot (disambiguation)