Arthur Mountifort Longfield Ponsonby, 11th Earl of Bessborough, was a British peer.
- Occupation
- politician, farmer
- Position held
- Member of the European Parliament, member of the House of Lords
- Citizenship
- United Kingdom, United Kingdom of Great Britain and Ireland
- Born
- December 11, 1912, November 12, 1912
- Died
- April 5, 2002
