Regier is a surname. Notable people with the surname include:
Alexander Regier, Professor of English 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