Drouin is a surname. Notable people with the surname include:
André Drouin, Canadian politician
Claude Drouin (born 1956), Canadian politician
Derek Drouin (born 1990), Canadian high jumper
Jacques Drouin (born 1943), Canadian animator
Jonathan Drouin (born 1995), Canadian ice hockey player
Jude Drouin (born 1948), Canadian ice hockey player
Marie-Josée Drouin (born 1949), Canadian economist
Mark Robert Drouin (1903–1963), Canadian politician
Noël Drouin (1912–2001), Progressive Conservative party member of the Canadian House of Commons
Olivier-Napoléon Drouin (1867–1943), Canadian politician, mayor of Quebec City from 1910 to 1916
Oscar Drouin (1890–1953), Canadian politician
P. C. Drouin (born 1974), Canadian ice hockey player for the Fort Wayne Komets
Polly Drouin (1908–1968), Canadian ice hockey player
Richard Drouin (born 1932), Canadian lawyer and businessman
Stéphen Drouin (born 1984), French footballer
Vincent Drouin (born 1932), Liberal party member of the Canadian House of Commons
