Humphrey Trevelyan Baron Trevelyan
 Humphrey Trevelyan Baron Trevelyan KG GCMG CIE OBE (27 November 1905 – 9 February 1985) was a British diplomat and author.Trevelyan was a son of Reverend George Trevelyan grandson of the Venerable George Trevelyan Archdeacon of Taunton third son of Sir John Trevelyan 4th Baronet. He was educated at Lancing and Jesus College Cambridge. After Cambridge Trevelyan joined the Indian Civil Service. He served in India until independence in 1947 then transferred to HM Diplomatic Service.