Gaudreau is a French surname and may refer to:
Antoine Gaudreau (–1746), French furniture maker François Gaudreau (born 1957), Canadian politician Frédérick Gaudreau (born 1993), Canadian ice hockey centre Jean Gaudreau (born 1964), Canadian artist Johnny Gaudreau (1993–2024), American ice hockey winger Rob Gaudreau (born 1970), American ice hockey winger Robert Gaudreau (1944–2025), American ice hockey defenseman