Leslie Maurice Lever, Baron Lever, GCSG (29 April 1905 – 26 July 1977) was a British Labour politician. He was Member of Parliament for Manchester Ardwick from 1950 to 1970, when he retired. Subsequently, he was given a life peerage as Baron Lever, of Ardwick in the City of Manchester on 10 July 1975. He served as Lord Mayor of Manchester (1957–58), attending 2,700 official engagements. His political career both as a councillor and M.P., representing inner city slum areas.