Rear Admiral John Gervaise Beresford Cooke CB DSC (19 October 1911 – 30 January 1976) was a Royal Navy officer who became Naval Secretary.

[1] Educated at Marlborough College and the Royal Naval College, Dartmouth, Cooke joined the Royal Navy in 1925 and specialised in gunnery.

[2] He served in World War II in destroyers and at the Admiralty.

[2] He went on to be deputy director of Naval Ordnance at the Admiralty in 1955, Commander of the Admiralty Surface Weapons Establishment in 1959 and Assistant Naval Attaché in Washington D. C. in 1961.

They had three sons, including Jonathan Gervaise Fitzpatrick Cooke OBE of the Royal Navy, and one daughter.