Archibald Malcolm Benn (20 January 1897 – 3 April 1980) was an Australian politician. Born in Branxholme, Victoria, he was educated in Melbourne before moving to Queensland as a teenager where he worked as a shearer, and later as a public servant. He was Director of Labour in Queensland during World War II. In 1949, he was elected to the Australian Senate as a Labor Senator for Queensland. He remained a Senator until his term expired in 1968. Benn died in 1980 in Melbourne.