Gregory Francis Mirabella (born 5 July 1960) is an Australian politician and farmer who was a Senator for Victoria from December 2021 to June 2022, representing the Liberal Party. He is the husband of former federal MP Sophie Mirabella. His term ended on 30 June 2022, as he failed to be re-elected at the 2022 federal election. As of August 2022 he is the incumbent President of the Liberal Party of Australia (Victorian Division).