Hugh Michael Carless CMG (22 April 1925 – 20 December 2011) was a British diplomat, philanthropist and explorer who served in Her Majesty's Diplomatic Service from 1950 to 1985. He is best known for the exploration of Nuristan and the Panjshir Valley along with Eric Newby, which was the subject of Newby's book A Short Walk in the Hindu Kush (1958).