Antony Claud Frederick Lambton, (10 July 1922 – 30 December 2006), briefly 6th Earl of Durham, styled before 1970 as Viscount Lambton, and widely known as Lord Lambton, was a Conservative Member of Parliament and a cousin of Sir Alec Douglas-Home, the former Prime Minister and Foreign Secretary.
Lambton resigned from Parliament and ministerial office in 1973.