Campeau is a surname. Notable people with the surname include:
Charles-Édouard Campeau (1916–1992), Canadian engineer and politician Frank Campeau (1864–1943), actor Jean Campeau (1931–2025), Canadian businessman and politician Lucien Campeau (1927–2010), Canadian cardiologist Robert Campeau (1923–2017), Canadian financier and real estate developer Rychard Campeau (born 1952), ice hockey player Tod Campeau (1923–2009), ice hockey player Jennifer Campeau (born 1973), politician
See also Campeau Corporation, real estate company Commission on the Political and Constitutional Future of Quebec, aka the Bélanger-Campeau Commission