Giovanni Domenic "John" Barilaro is an Australian former politician who served as the 18th deputy premier of New South Wales and the leader of the NSW National Party from 2016 to 2021. He was the Minister for Regional New South Wales, Industry and Trade in the second Berejiklian ministry from April 2019, and a member of the New South Wales Legislative Assembly representing the electoral district of Monaro since 2011 until his resignation in October 2021.

The Deputy Premier of New South Wales is the second-most senior officer in the Government of New South Wales. The deputy premiership has been a ministerial portfolio since 1932, and the deputy premier is appointed by the Governor on the advice of the Premier.