The shadow ministry of Vincent Tarzia is the Liberal Party opposition since August 2024, opposing the Malinauskas government of the Labor Party in the Parliament of South Australia. It is led by Vincent Tarzia following his election as party leader and leader of the opposition on 12 August 2024. The deputy leader of the shadow ministry is John Gardner.
The shadow ministry succeeded the Spiers shadow ministry as the Liberal Party shadow cabinet.
The current Tarzia shadow ministry was announced on 21 January 2025, after John Gardner's retirement announcement and Jing Lee's resignation from the party. <section begin="shadow cabinet"/> <section end="shadow cabinet"/>
The first Tarzia shadow ministry was announced on 19 August 2024 after Tarzia was elected as party leader. There were some changes to the roles of the previous Speirs shadow ministry, including the elevation of Ben Hood to the shadow ministry.