Henry Fenwick (1820 â 18 April 1868) was a British barrister and Liberal Party politician.
He was the son of Thomas Fenwick of Southill Hall, co. Durham. He matriculated at St John's College, Cambridge in 1838, graduating B.A. in 1842, M.A. 1845. He was called to the bar at the Inner Temple in 1842, and went the Northern Circuit, until 1851.
Fenwick died on 18 April 1868 at Lansdowne House, Richmond, Surrey.
He first stood for election to the House of Commons in December 1852, when he was unsuccessful at a by-election for the City of Durham. He was elected as a member of parliament (MP) for Sunderland at a by-election in January 1855, and held the seat until February 1866, when he was appointed as Civil Lord of the Admiralty and was defeated in the resulting by-election.
Fenwick married in 1861 Jane Lutwidge Cookson (died 1891), eldest daughter of John Cookson of Meldon Park and his wife Sarah Ridley, eldest daughter of Sir Matthew White Ridley, 3rd Baronet. Their children included: