Frederick Ponsonby, 3rd Earl of Bessborough, styled the Viscount Duncannon from 1758 to 1793, was an Anglo-Irish peer.
- Occupation
- politician
- Position held
- member of the House of Lords, member of the 15th Parliament of Great Britain, member of the 16th Parliament of Great Britain, member of the 17th Parliament of Great Britain
- Citizenship
- Ireland
- Born
- January 24, 1758
- Died