2023 Toyota Gazoo Racing GR86/BRZ Cup

The 2023 Bridgestone Toyota Gazoo Racing GR86/BRZ Cup was the eleventh running of the TGR GR86/BRZ Cup, a one-make motor racing championship for Toyota 86 and Subaru BRZ sports cars operated by Toyota Gazoo Racing. The championship featured a mix of Toyota factory drivers, independent professional drivers, and gentleman drivers, and commenced on 13 May at Sportsland SUGO and concluded on 26 November at Fuji Speedway.

Subaru factory driver Takuto Iguchi won his second series championship during the series finale at Fuji despite a first-lap collision with Takamitsu Matsui and Reimei Itō, clinching the title by four points over runner-up Yuui Tsutsumi and third-placed Tōgo Suganami.

Race calendar and results
All races were held in Japan. The provisional calendar was announced on 25 November 2022. The sixth round at Suzuka was run in support of the Super Formula Championship, with other rounds being run alongside local racing events and Formula Beat races.

Drivers' Championship
Points were awarded to the top ten classified finishers, with one point awarded for pole position and fastest lap respectively.