Chaz Mostert (born 10 April 1992) is an Australian professional racing driver competing in the Repco Supercars Championship. He currently drives the No. 25 Holden ZB Commodore for Walkinshaw Andretti United. Mostert was the winner of the 2021 Bathurst 1000 with Lee Holdsworth and has also previously won the 2014 Bathurst 1000 with Paul Morris and the 2010 Australian Formula Ford Championship.