Nadeau may refer to:
People Bradly Nadeau (born 2005), Canadian ice hockey player Brian Nadeau, American politician Brianne Nadeau (born 1980), American politician Catherine Nadeau, American politician Cathy Nadeau, American politician Jacques Nadeau (1953–2025), Canadian photojournalist Jerry Nadeau (born 1970), American race car driver Joseph-Armand Nadeau (1928–1963), Canadian politician Joseph P. Nadeau (born 1936), justice of the New Hampshire Supreme Court Kelly-Ann Nadeau (born 1998), Canadian ice hockey player Louise Nadeau (born 1947), Canadian psychologist Luann de Lesseps (née Nadeau, born 1965), American celebrity Marcellin Nadeau (born 1962), French politician Remi Nadeau (1920–2016), American historian Richard Nadeau (born 1959), Canadian teacher and politician from Quebec Robert Nadeau (aikidoka) (born 1937), American aikido teacher Robert Nadeau (science historian) (1944–2025), American environmental scientist and science historian Samuel Nadeau (born 1982), French basketball player
Places Nadeau, Michigan Nadeau Township, Michigan