Valleau may refer to:
People Delmar Valleau (1917–2000), Canadian politician Oakland Woods Valleau (1892–1976), Canadian politician Sacha Valleau (born 1996), French rugby player
Other uses Anse-à-Valleau Wind Farm, farm in Quebec L'Anse-à-Valleau, Quebec, town in Quebec Valleau Tavern, town in New York