Harry Byrd may refer to:
- Harry F. Byrd (1887–1966), U.S. politician
- Harry Clifton Byrd (1889–1970), known as "Curley Byrd", U.S. politician, university president, multi-sport athlete and coach
- Harry F. Byrd Jr. (1914–2013), U.S. politician, son of Harry F. Byrd Sr.
- Harry Byrd (baseball) (1925–1985), American Major League Baseball pitcher