Brian Follett Walker (born 5 September 1954) is an Australian politician who serves as a member of the Western Australian Legislative Council, representing the East Metropolitan Region. He is a member of Legalise Cannabis WA, and has served as its leader since 2024.
Walker was born in Malaysia to Scottish parents, and was educated at Scotch College, Perth, prior to studying medicine at the University of Dundee.ÃÂ Since graduating, he has since practiced medicine in Germany, the Soviet Union, the United Kingdom, and Hong Kong, returning to Perth in 2008, to set up a specialist GP practice in the Perth Hills.
Walker was a medical practitioner before entering politics. At the 2021 Western Australian state election, Walker was elected to the Legislative Council as a member for the East Metropolitan Region, and his term commenced on 22 May 2021. He was re-elected in the 2025 Western Australian state election.