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