Allain is both a surname and a given name. Notable people with the name include:

Surname

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• Alexander Allain (1920–1994), American lawyer and library advocate
• Bret Allain (born 1958), American businessman and politician
• Keith Allain (born 1958), American ice hockey player and coach
• Marcel Allain (1885–1969), French writer
• Pierre Allain (1904–2000), French mountain climber
• Rhett Allain, American physicist
• Raymonde Allain (1912–2008), French model and actress
• Rick Allain (born 1969), Canadian ice hockey player and coach
• Stephanie Allain (born 1959), American film producer
• Tara Allain (born 1985), American beauty pageant winner
• Theophile T. Allain (1846–1917), American politician
• Valérie Allain (born 1966), French actress
• William Allain (1928–2013), American politician

Given name

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• Allain Gaussin (born 1943), French composer
• Allain Provost, French landscape architect
• Allain Roy (born 1970), Canadian ice hockey player
• Allain Tikko (1979–2009), Estonian military officer

See also

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• Alain (disambiguation)