Sir Thomas Williams, 1st Baronet was a Welsh medical doctor and politician who sat in the House of Commons from 1675 to 1679. He was "Chymical Physician" to King Charles II.
- Occupation
- physician, politician
- Position held
- Member of Parliament in the Parliament of England, Member of the 1661-79 Parliament
- Citizenship
- Kingdom of England
- Born
- 1621
- Died
- September 12, 1712