Gauvreau is a surname. Notable people with the surname include:
Charles Arthur Gauvreau (1860–1924), Canadian author and politician Claude Gauvreau (1925–1971), Quebec playwright, poet and polemicist Louis Gauvreau (1761–1822), businessman and politician in Lower Canada Louis-Honoré Gauvreau (1812–1858), physician and politician in Canada East Marcelle Gauvreau (1907–1968), Canadian botanist and science educator Pierre Gauvreau (1922–2011), Quebec painter René Gauvreau (born 1954), Quebec politician Robert Gauvreau, Ontario businessman and philanthropist
See also Gauvreau, New Brunswick, community in Canada