Sir William Gleadowe-Newcomen, 1st Baronet was an Anglo-Irish politician and banker.
- Occupation
- politician
- Position held
- Member of Parliament in the Parliament of Ireland, member of the 1st Parliament of the United Kingdom, member of the 18th Parliament of Great Britain
- Citizenship
- United Kingdom of Great Britain and Ireland, Kingdom of Ireland
- Born
- 1740
- Died
- August 21, 1807, 1807