Harbaugh is a surname which is the Americanized form of the German name Harbach. Notable people with the surname include:
A. G. Harbaugh (1872–1934), American college football coach, assayer, and chemist Carl Harbaugh (c. 1886–1960), American film actor, screenwriter, and director Greg Harbaugh Jr. (born 1986), American football coach Gregory J. Harbaugh (born 1956), American astronaut Henry Harbaugh (1817–1867), Pennsylvania Dutch clergyman and writer Jack Harbaugh (born 1939), American football coach John Harbaugh (born 1962), American football coach, Jack's older son Jim Harbaugh (born 1963), American football coach, Jack's younger son Jay Harbaugh (born 1989), American football coach, Jim's son John W. Harbaugh (1926–2019), American geologist Ken Harbaugh (born 1973), American Navy pilot and nonprofit executive Simon Harbaugh (1873–1960), American golfer Thomas Chalmers Harbaugh (1849–1924) American poet and novelist
See also Harbaugh's Reformed Church