Brum is a Portuguese language surname of Dutch roots, found primarily in Portugal and Brazil. Notable people with the surname include:
Alfeo Brum (1898–1972), Uruguayan politician and lawyer
Baltasar Brum (1883–1933), former president of Uruguay
Celso Brum Junior (born 1978), retired volleyball player from Brazil
Eliane Brum (born 1960), Brazilian journalist
Fernanda Brum (born 1976), Brazilian Christian music singer
Gabriella Brum (born 1960), won the 1980 Miss World beauty pageant and resigned one day later
Gustavo Brum (born 1963), Brazilian-American Emmy Award winning Director of Photography
Jorge Brum do Canto (1910–1994), Portuguese film director
Jorge Luis da Silva Brum, best known as Pinga (born 1965), former Brazilian footballer in central-lateral defender role
Roberto Brum, Brum (born 1978), Brazilian footballer, who currently plays defensive midfielder for Santos Futebol Clube