Brumbaugh is a surname. Notable people with the surname include:
Carl Brumbaugh (1906–1969), American football quarterback
Clement L. Brumbaugh (1863–1921), U.S. Representative from Ohio
Cliff Brumbaugh (born 1974), American baseball player
D. Emmert Brumbaugh (1894–1969), Republican member of the U.S. House of Representatives from Pennsylvania, 5th generation descendant of Johannes Henrich Brumbach
John Brombaugh (born 1937), American pipe organ builder, 7th generation descendant of Johannes Henrich Brumbach
Martin Grove Brumbaugh (1862–1930), Pennsylvania's 25th Governor, a Republican; 5th generation descendant of Johannes Henrich Brumbach
