Leif Andreas Larsen (2 January 1898 – 29 April 1978) was a Norwegian telegrapher and politician for the Labour Party. He was born in Kristiania, and moved to Bærum in 1926. He had an education as a telegrapher, and also took the cand.jur. degree in 1924. He chaired of the Labour Party chapter in Bærum from 1930 to 1935, and was elected to serve in Bærum municipal council in 1932. During the occupation of Norway by Nazi Germany he was imprisoned in Bredtveit concentration camp from 30 March 1943, then in Berg concentration camp from 26 July 1944 to 26 March 1945.