Regier is a surname. Notable people with the surname include:

• Darcy Regier (born 1956), Canadian ice hockey player
• Erhart Regier (1916-1976), Canadian politician
• Jason Regier (born 1975), American paralympic wheelchair rugby player
• Jerry Regier (born 1945), American businessman and politician
• Keith Regier, American politician
• Matt Regier, American politician
• Steve Regier (born 1984), Canadian ice hockey player
• Wade Regier (born 1983), Canadian ice hockey coach

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