Campeau may refer to:
- Charles-Édouard Campeau (born 1916), politician
- Frank Campeau (1864–1943), actor
- Jean Campeau (born 1931), businessman and politician
- Lucien Campeau (?–2010), cardiologist
- Robert Campeau (born 1923), businessman
- Rychard Campeau (born 1952), ice hockey player
- Tod Campeau (1923–2009), ice hockey player