Fiennes Neil Wykeham Cornwallis, 3rd Baron Cornwallis, OBE, DL was a British peer. He was the younger child, and the only son, of Wykeham Cornwallis, 2nd Baron Cornwallis and Cecily Etha Mary. He had an elder sister, Rosamond Patricia Susan Anne Cornwallis.
- Occupation
- politician, philatelist
- Position held
- member of the House of Lords
- Citizenship
- United Kingdom
- Born
- June 29, 1921
- Died
- March 6, 2010
