Sir William Williams, 6th Baronet of Faenol (Vaynol) was a Welsh politician and landowner elected as MP for Caernarvonshire from 1689 until his death.
- Occupation
- politician
- Position held
- Member of Parliament in the Parliament of England, Member of the 1689-90 Parliament, Member of the 1690-95 Parliament, Member of the 1695-98 Parliament
- Citizenship
- Kingdom of England
- Born
- 1660
- Died
- December 23, 1696