Beaulieu is a French surname. Notable people with the surname include:
Corey Beaulieu (born 1983), lead guitarist of the band TriviumEdward Douglas-Scott-Montagu, 3rd Baron Montagu of Beaulieu (born 1926)Jean-Christophe Beaulieu (born 1990), Canadian football playerJohann Peter Beaulieu, Austrian general (1725-1819)Priscilla Beaulieu Presley, Elvis Presley's ex-wife (born 1945), an American actress and businesswomanTrace Beaulieu (born 1958), television writer and performerMario Beaulieu (born 1959), Canadian politician and former party leader of the Bloc Quebecois