Dad (nickname)
Dad is a nickname which may refer to:
- Dad Clark, American Major League Baseball player
- Dad Clarke, American Major League Baseball pitcher
- Dad Clarkson, American Major League Baseball pitcher
- Dad Hale, American Major League Baseball pitcher
- Dad Lytle, American Major League Baseball player
- William H. "Dad" Martin, photographer and successful postcard manufacturer in the early 1900s
- Dad Meek, American Major League Baseball catcher
- Harry Vail, American collegiate rowing coach
- Dad Wheatley, Australian middle-distance runner