Cloutier as a surname may refer to:
- Kim Cloutier (born 1987), Canadian model
- Alexandre Cloutier (born 1977), Canadian politician
- Dan Cloutier (born 1976), Canadian ice hockey player
- Gilles Cloutier (born 1928), Canadian scientist
- Gary Cloutier is a politician elected mayor of Vallejo, California
- Guy Cloutier (born 1940), Canadian producer, convicted sex offender
- Guylaine Cloutier (born 1969), Canadian international swimmer
- Jacques Cloutier (born 1960), Canadian ice hockey player
- Jeremiah Cloutier, fictional character in the TV series Oz
- Patrick Cloutier (born 1970), a Canadian soldier who became famous during the 1990 Oka Crisis
- Réal Cloutier (born 1956), Canadian ice hockey player
- T. J. Cloutier (born 1939), American professional poker player
- Sheila Watt-Cloutier (born 1953), Canadian Inuit activist
- Suzanne Cloutier (1927–2003), Canadian film actress
- Véronique Cloutier (born 1974), French Canadian TV and radio personality
- Zacharie Cloutier (c.1590-1677), one of the founders of Beauport, Quebec.
Cloutier may also refer to:
- Cloutier (style agency), American styling agency
- St-Alphonse/Lac Cloutier Water Aerodrome, Quebec, Canada
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