Barnaby Thomas Gerard Joyce (born 17 April 1967) is an Australian politician. He is the leader of the National Party since June 2021. He was the Deputy Prime Minister of Australia from 2021 until 2022. He served in these two positions before from February 2016 to February 2018, and was Deputy Prime Minister of Australia from February 2016 to October 2017 and from December 2017 to February 2018.