Sir William Parr, KG (1434–1483) was an English courtier and soldier. He was the eldest son of Sir Thomas Parr (1405–1461) and his wife Alice, daughter of Sir Thomas Tunstall of Thurland, Lancashire.
- Occupation
- politician
- Position held
- Member of Parliament in the Parliament of England, Member of the 1467-68 Parliament, Member of the 1472-75 Parliament
- Born
- 1434
- Died
- 1483