John Albert Beasley (9 November 1895 – 2 September 1949) was an Australian politician who was a member of the House of Representatives from 1928 to 1946.
He served in the Australian War Cabinet from 1941 to 1946, and was a government minister in the Curtin and Chifley Governments.
Beasley was a member of the Australian Labor Party, although on two occasions he left the party to join the breakaway Lang Labor groups, leading the faction in federal parliament.
He concluded his career as High Commissioner to the United Kingdom from 1946 until his death in 1949.