Sauvageau is a surname. Notable people with the surname include:
Benoît Sauvageau (1963–2006), Canadian politician Camille Sauvageau (1861-1936), French phycologist Charles Sauvageau (1807-1849), Canadian conductor, composer and music educator Danièle Sauvageau, Canadian hockey coach Paul-Émile Sauvageau (1918–2003), Canadian politician Tancrède Sauvageau (1819–1892), merchant and political figure in Canada East