The 2023 Autobacs Super GT Series was a motor racing championship based in Japan for grand touring cars, sanctioned by the Japan Automobile Federation (JAF) and ran by the GT Association (GTA). It was the thirty-first season of the JAF Super GT Championship, which included the All Japan Grand Touring Car Championship era, and the nineteenth season under the Super GT name. It was also the forty-first overall season of a national JAF sportscar championship dating back to the All Japan Endurance/Sports Prototype Championship.
Team Impul and drivers Kazuki Hiramine and Bertrand Baguette entered the season as the defending GT500 champions, while Kondo Racing and driver João Paulo de Oliveira entered the season as the defending GT300 champions. This was the final season for three-time GT500 champion, Yuji Tachikawa, who announced his retirement at the end of the season.[1][2]
TGR Team au TOM'S won the championship in the GT500 class after having won the previous title in the 2021 season, with Sho Tsuboi and Ritomo Miyata won the Drivers' Championship. In the GT300 class, Saitama Toyopet GreenBrave, Hiroki Yoshida and Kohta Kawaai won the Teams' and Drivers' Championship. Both class championships were won by Toyota teams driving the respective GT500 and GT300 versions of the Toyota GR Supra.[3]
:2
was invoked but never defined (see the help page).