Hester Pitt, Countess of Chatham was the wife of William Pitt the Elder, 1st Earl of Chatham, who was prime minister of Great Britain from 1766 to 1768.
- Position held
- spouse of the prime minister of the United Kingdom
- Citizenship
- United Kingdom of Great Britain and Ireland
- Born
- November 8, 1720, 1721
- Died
- April 9, 1803