The 2023 Super2 & Super3 Series is an upcoming Australian motor racing competition for Supercars as a support series. It will be the twenty-fourth running of the Supercars Development Series, the second tier of competition in Supercars racing. Since joining as a class in 2021 this will also mark at the same time as the sixteenth running of the Super3 Series, the third tier of competition in Supercars racing (Officially in 2019 as the Kumho Tyre Super3 Series).