Alfred John Barnes (17 July 1887 – 26 November 1974) was a British Labour and Co-operative politician. Born in North Woolwich, he was the youngest child of William Barnes, a docker. Barnes lost a leg in a fairground accident at the age of 8. He was educated at the Northampton Institute and the Central School of Arts and Crafts. In 1945, Barnes was made a Privy Counsellor and Minister of War Transport, later Minister of Transport, serving until the fall of the Labour government in 1951. He stood down as a Member of Parliament at the 1955 general election.