- Source: Mongeau
Mongeau (pronounced [mɔ̃ʒo]) is a French-language surname. Notable people with the name include:
Claude Mongeau, Canadian railroad executive
France Mongeau (born 1961), Canadian educator and poet
Michel Mongeau (1965–2010), Canadian ice hockey player
Michel Mongeau (actor) (c.1946–2020), Canadian actor
Serge Mongeau (born 1937), Canadian physician, writer, publisher and politician
Tana Mongeau (born 1998), American Internet personality and model