Cloutier is a French occupational name for a nailer, i.e. someone who made and sold nails, from an agent derivative of clou for "nail". As a surname it may refer to:Alexandre Cloutier, Canadian politician Catherine Cloutier, American politician Claude Cloutier, a Quebec film animator and graphic novel artist Dan Cloutier, Canadian ice hockey player François-Xavier Cloutier (1848-1934), Bishop of Trois Rivières Gilles Cloutier (1928–2014), Canadian scientist Gary Cloutier, American politician Guy Cloutier, Canadian producer, convicted sex offender Guylaine Cloutier, Canadian international swimmer Jacques Cloutier, Canadian ice hockey player Kim Cloutier, Canadian model Patrick Cloutier, a Canadian soldier who became famous during the 1990 Oka Crisis Philip D. Cloutier (1949–1998), American politician Réal Cloutier, Canadian ice hockey player T. J. Cloutier, American professional poker player Sheila Watt-Cloutier, Canadian Inuit activist Suzanne Cloutier (1927–2003), Canadian film actress Véronique Cloutier, French Canadian TV and radio personality Zacharie Cloutier (c.1590–1677), one of the founders of Beauport, Quebec.