Guy Barnett (born 4 April 1962) is an Australian politician. He is a member of the Liberal Party and was appointed deputy premier of Tasmania in 2024. He has been a member of the Tasmanian House of Assembly since 2014 and has been a state government minister since 2016. He was previously a Senator for Tasmania from 2002 to 2011.
Early life
Barnett was born on 5 April 1962 in Launceston, Tasmania. She later remarried to businessman Raymond Ferrall.
Barnett was raised at Quamby Estate, his parents' historic grazing property near Hagley.
Barnett worked as a lawyer after graduating, including in Washington, D.C. as a consultant at Taft Stettinius & Hollister. He was a senior adviser to Tasmanian premier Robin Gray from 1988 to 1989 and was later managing director of Guy Barnett and Associates, a political and public relations consultancy, from 1989 to 2002.
Barnett was active in various Senate committees and served as chair of the Standing Committee on Publications from 2006 to 2007 and of the Standing Committee on Legal and Constitutional Affairs from 2007 to 2008. Barnett lost his seat at the 2010 election, with his term expiring on 30 June 2011.
In July 2016, after the resignation of Adam Brooks, he was appointed Minister for Resources and Minister for Building and Construction. He was also made Minister for Energy in 2017 and Minister for Primary Industries and Water in 2018.
Barnett served as Minister for State Development, Construction and Housing under Jeremy Rockliff from April 2022 to July 2023. He was then appointed Minister for Health, serving until April 2024. In October 2023, following a ministerial reshuffle caused by the resignation of Elise Archer, he was additionally appointed Attorney-General of Tasmania, at which point he relinquished the Energy and Renewables portfolio.
Barnett was elected deputy leader of the Tasmanians Liberals in October 2024, following the resignation of Michael Ferguson. He was consequently appointed deputy premier of Tasmania.
Barnett was re-elected at the 2025 Tasmanian state election, he secured the most primary votes and topped the poll in the Electorate of Lyons.
Policy positions
Barnett was a strong advocate for the War in Iraq, justifying the war in a speech to the senate on 20 March 2003.
Barnett is a republican. In 2006, he proposed abolishing the Queen's Birthday public holiday in favour of a "more Australian-oriented holiday" and stated that the Queen's Birthday Honours should instead be awarded on Anzac Day.
In June 2008, Barnett moved a motion in the Senate to end Medicare funding for abortions occurring after the second trimester, stating that there should be "compassion and care for the unborn, we want to show love and concern for them rather than killing them in many cases for psychosocial reasons, which is effectively abortion on request".
Barnett opposed same-sex marriage in the 2017 postal plebiscite.