George Vane-Tempest 5th Marquess of Londonderry
 George Henry Robert Charles William Vane-Tempest 5th Marquess of Londonderry KP (26 April 1821 – 6 November 1884) styled Viscount Seaham between 1823 and 1854 and known as The Earl Vane between 1854 and 1872 was an Anglo-Irish aristocrat businessman diplomat and Conservative politician.