Vice-Admiral Sir William Gladstone Agnew KCVO CB DSO* (2 December 1898 – 12 July 1960) was an officer of the Royal Navy.

Commodore Agnew commanded Force K during the destruction of the Duisburg convoy on 8 November 1941 and was appointed a Companion of the Order of the Bath for this action.

In June 1943 the Aurora was used to convey King George VI to Malta and Agnew was created a Commander of the Royal Victorian Order for this service.

Agnew was given command of HMS Excellent, the Royal Navy's gunnery school in 1943.

After retirement from the navy he was General Secretary of the National Playing Fields Association, from 1950 to 1953,[1] and was also active in local government.