Joseph Bertram Sleeman (21 June 1885 – 6 July 1970) was an Australian politician who was a Labor Party member of the Legislative Assembly of Western Australia from 1924 to 1959, representing the seat of Fremantle. He served as Speaker of the Legislative Assembly from 1939 to 1947. In 1992 Joe Sleeman Court, a housing complex on South Terrace, was named in Sleeman's honour and dedicated by the then MLA for Fremantle, Jim McGinty.