Frederick Cornwallis, 1st Baron Cornwallis

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The Right Honourable The Lord Cornwallis Kt PC
Treasurer of the Household
In office 1660–1662
Preceded by	Viscount Savile
Succeeded by	Viscount Fitzhardinge
Privy Counsellor
In office 1660–1662
Personal details
Born	1610
Died	January 1662
Signature

Frederick Cornwallis, 1st Baron Cornwallis (14 March 1610/1 – January 1662) was an English peer, MP and Privy Counsellor. He was Treasurer of the Household 1660–1662. He was the eldest surviving son of Sir William Cornwallis of Brome, Suffolk, and his second wife, Jane. After his father's death, his mother married Sir Nathaniel Bacon.