Beaubien is a surname. Notable people with the surname include:
Arthur-Lucien Beaubien, Canadian politician and farmer
Charles Beaubien, French Canadian trader
Charles H. Beaubien, Canadian-born American fur trader
Joseph-Octave Beaubien, Quebec physician and political figure
Layne Beaubien, American water polo player
Louis Beaubien, Canadian politician
Louis-Philippe Beaubien, Canadian politician
Marcel Beaubien, Canadian politician
Mark H. Beaubien, Jr., American politician
Philippe de Gaspé Beaubien, Canadian media proprietor
Pierre Beaubien, Canadian physician and political figure
