Lieutenant Colonel John Henry Guy Nevill, 5th Marquess of Abergavenny, styled Earl of Lewes from 1938 to 1954, was a British peer.
- Occupation
- politician, banker, land owner, farmer
- Position held
- member of the House of Lords, Lord Lieutenant of East Sussex
- Citizenship
- United Kingdom
- Born
- November 8, 1914
- Died
- February 23, 2000
