Sir James Hamlyn Williams, 3rd Baronet was a Welsh politician.
- Occupation
- politician
- Position held
- member of the 12th Parliament of the United Kingdom, member of the 10th Parliament of the United Kingdom
- Citizenship
- United Kingdom of Great Britain and Ireland, Wales, Kingdom of Great Britain
- Born
- November 25, 1790
- Died
- October 10, 1861