Fiennes Cornwallis
| Fiennes Cornwallis | |
|---|---|
| Born | Fiennes Wykeham-Martin 1 November 1831 Leeds Castle, Kent, England | 
| Died | 24 April 1867 (aged 35) Banbury, Oxfordshire, England | 
| Education | Eton College | 
| Occupation | Soldier | 
| Employer | British Army | 
| Spouse | Harriet Elizabeth (née Mott) | 
| Children | 4 | 
| Parent(s) | Charles Wykeham Martin and Lady Jemima Isabella | 
| Relatives | James Mann, 5th Earl Cornwallis | 
Major Fiennes Cornwallis, born Fiennes Wykeham-Martin (1 November 1831 – 24 April 1867), was a British Army officer and related to the Cornwallis family.