Brendan Aloysius Lyons (17 June 1927 – 7 September 2010) was an Australian politician. He was elected to the Tasmanian House of Assembly at the 1982 election representing the Division of Bass for the Liberal Party. Lyons was defeated in the 1986 election.
Lyons was a Minister in Robin Gray's Liberal Government from 1984 to 1986.
Born in Hobart, he was the son of Joseph Lyons (who was Premier of Tasmania at the time and was later to become Prime Minister of Australia), by his wife Enid Lyons, later the first woman elected to the Australian House of Representatives; he was one of 12 siblings. One of Brendan's brothers was Kevin Lyons, Deputy Premier of the State 1969–72.
Lyons had an extensive cricket playing career including over 900 games for Old Launcestonians.