Dad is a nickname which may refer to:

Dad Clark (1873–1956), American Major League Baseball player Dad Clarke (1865–1911), American Major League Baseball pitcher Dad Clarkson (1866–1911), American Major League Baseball pitcher Dad Hale (1880–1946), American Major League Baseball pitcher Dad Lytle (1862–1950), American Major League Baseball player William H. "Dad" Martin, photographer and successful postcard manufacturer in the early 1900s Dad Meek (1867–1922), American Major League Baseball catcher Harry Vail (died 1928), American collegiate rowing coach Dad Wheatley (1882–1961), Australian middle-distance runner

See also

Daddy (nickname) Papa (nickname) Pappy Pop (nickname) Pops (nickname)