Mousseau is a French surname. Notable people with the surname include:
Alexis Mousseau (1767–1848), farmer and political figure in Lower Canada France Mousseau or Jean-Marc Généreux (born 1962), French Canadian ballroom dance champion, choreographer and TV personality Jean-Paul Mousseau (1927–1991), Quebec artist, student of Paul-Émile Borduas, member of the Automatist school Joseph Octave Mousseau (1844–1898), physician and political figure in Quebec Joseph-Alfred Mousseau, PC (1837–1886), French Canadian politician Joseph-Octave Mousseau (1875–1965), lawyer and political figure in Quebec Michael Mousseau (born 1964), American political scientist
See also Lac Mousseau or Harrington Lake estate, the official country retreat of the Prime Minister of Canada Moussa Mousse Moussey (disambiguation) Moussy (disambiguation) Moussé