Drivers and vehicles are subject to change.
| No. | Class | Team | Drivers | Car | |
|---|---|---|---|---|---|
| 1 | 9 | ST-X (GT3) | MP Racing | Joe Shindo Yusaku Shibata Masami Kageyama | Nissan GT-R NISMO GT3 |
| 2 | 16 | ST-X (GT3) | Porsche Center Okazaki | Hiroaki Nagai Yuta Kamimura Yuichi Nakayama | Porsche 911 GT3-R |
| 3 | 31 | ST-X (GT3) | apr | Hideki Nagai Koki Saga Kazuto Kotaka | Lexus RC F GT3 |
| 4 | 33 | ST-X (GT3) | Audi Team Hitotsuyama | Yoshio Tsuzuki Ritomo Miyata Akihiro Tsuzuki TBN | Audi R8 LMS GT3 |
| 5 | 81 | ST-X (GT3) | GTNET Motor Sports | Noboyuki Oyagi Takayuki Aoki Ryuichiro Oyagi Kiyoto Fujinami | Nissan GT-R NISMO GT3 |
| 6 | 290 | ST-X (GT3) | Floral Racing with ABSSA | Tadao Uematsu Keita Sawa Shintaro Kawabata Yuji Ide | McLaren 720S GT3 |
| 7 | 777 | ST-X (GT3) | D'station Racing | Satoshi Hoshino Tomonobu Fujii Tsubasa Kondo | Aston Martin AMR Vantage GT3 |
| 8 | 3 | ST-Z (GT4) | Endless Sports | Yudai Uchida Hideki Yamauchi Togo Suganami Ryo Ogawa | Mercedes-AMG GT4 |
| 9 | 19 | ST-Z (GT4) | Birth Racing Project | TBN | Porsche 718 Cayman GT4 Clubsport |
| 10 | 20 | ST-Z (GT4) | SS/YZ Racing with Studie | Tomohide Yamaguchi Seiji Ara Yuya Sakamoto | BMW M4 GT4 |
| 11 | 22 | ST-Z (GT4) | Porsche Team EBI Waimarama | "Kizuna" Katsumasa Chiyo Naoya Yamano Riki Okusa | Porsche 718 Cayman GT4 Clubsport |
| 12 | 23 | ST-Z (GT4) | TKRI | Daisuke Matsunaga Yuya Motojima Takaaki Hamada | Mercedes-AMG GT4 |
| 13 | 30 | ST-Z (GT4) | B-Max Engineering | Nobuhiro Imada Ryuji "Dragon" Kumita Yuhi Sekiguchi | Mercedes-AMG GT4 |
| 14 | 34 | ST-Z (GT4) | Techno First | Yuki Tanaka Hironobu Yasuda Shinnosuke Yamada | Ginetta G55 GT4 |
| 15 | 47 | ST-Z (GT4) | D'station Racing | Tatsuya Hoshino Manabu Orido Takuro Shinohara Kenji Hama | Aston Martin AMR Vantage GT4 |
| 16 | 70 | ST-Z (GT4) | Comet Racing | Masaaki Fujii Naoki Yokomizo Kazuhiro Sakai | Mercedes-AMG GT4 |
| 17 | 77 | ST-Z (GT4) | Comet Racing | Yorikatsu Tsujiko Kei Cozzolino Yusuke Yamasaki | Mercedes-AMG GT4 |
| 18 | 108 | ST-Z (GT4) | Future GPX Cyber Formula Racing with RFC | Jun Fujii Takeshi "Bushi" Matsumoto Takuya Kurosawa Toshio Suzuki | Toyota GR Supra GT4 |
| 19 | 111 | ST-Z (GT4) | Hiroshima Toyopet Racing | Toshiyuki Matsuda Yuga Furutani Yasutaka Hinoi Ryo Hirakawa | Toyota GR Supra GT4 |
| 20 | 311 | ST-Z (GT4) | C.S.I Racing | Hirokazu Suzuki Rintaro Kubo Yusuke Shiotsu Kimiya Sato | Toyota GR Supra GT4 |
| 21 | 500 | ST-Z (GT4) | Team 5Zigen | Ryuichiro Otsuka Toshihiro Kaneishi Jake Parsons 🇦🇺 | Mercedes-AMG GT4 |
| 22 | 505 | ST-Z (GT4) | Audi Team AS Sport | Genki Nishimura Takeshi Okamoto Shozo Tagahara Yoshinari Fujiwara Shaun Thong 🇭🇰 | Audi R8 LMS GT4 |
| 23 | 885 | ST-Z (GT4) | Hayashi Telempu Shade Racing | Hiro Hayashi Katsuyuki Hiranaka Ai Miura ♀ | Toyota GR Supra GT4 |
| 24 | 65 | ST-TCR | Audi Team Mars | TBN | Audi RS3 LMS TCR |
| 25 | 75 | ST-TCR | Team Noah | Toshiro Tsukada Yoshikazu Sobu Shigetomo Shimono Riki Tanioka Yuji Kiyotaki Masataka Kubo | Honda Civic TCR |
| 26 | 28 | ST-Q | ROOKIE Racing | Naoya Gamou Daisuke Toyoda Yasuhiro Ogura Kenta Yamashita | Toyota GR Supra |
| 27 | 2 | ST-1 | KTM Cars Japan | Taiyou Iida Hiroki Katoh Kazuho Takahashi | KTM X-Bow GTX |
| 28 | 38 | ST-1 | Tracy Sports | Yuui Tsutsumi Ryohei Sakaguchi Makoto Hotta Sena Sakaguchi | Toyota GR Supra |
| 29 | 71 | ST-1 | Akiland Racing | Masayoshi Oyama Makio Saito TBN | Porsche 911 GT3 Cup |
| 30 | 6 | ST-2 | Shinryo Racing Team | Tomohiro Tomimasu Yasushi Kikuchi Masazumi Ohashi | Mitsubishi Lancer Evolution X |
| 31 | 7 | ST-2 | Shinryo Racing Team | Yoshiki Fujii Masato Narisawa Keisuke Anzai Shingo Imai | Mitsubishi Lancer Evolution X |
| 32 | 32 | ST-2 | ROOKIE Racing | Takuto Iguchi Masahiro Sasaki Takamitsu Matsui TBN | Toyota GR Yaris |
| 33 | 56 | ST-2 | Claris Racing | Hideki Katoh Kizuku Hirota Tomoki Iida Chihiro Inagaki | Toyota GR Yaris |
| 34 | 59 | ST-2 | TOWA INTEC Racing | Manabu Osawa Hitoshi Gotoh Mizuki Ishizaka | Subaru WRX STI |
| 35 | 225 | ST-2 | Kobe Toyopet Motor Sports | Seita Nonaka Hibiki Taira Miki Onaga ♀ | Toyota GR Yaris |
| 36 | 743 | ST-2 | Team Honda Challenge | Junichi Kidachi Hideki Kakinuma Hiroki Ishigaki Tetsuaki Mochizuki | Honda Civic Type R |
| 37 | 15 | ST-3 | Okabe Jidosha Motorsports | Masaaki Nagashima Kazuomi Komatsu Masaya Kono | Nissan Fairlady Z34 |
| 38 | TBN | ST-3 | TBN | TBN | TBN |
| 39 | 39 | ST-3 | Tracy Sports with Delta | Kazuya Oshima (b.1997) Yusuke Tomibayashi Hirotaka Ishii | Lexus RC 350 |
| 40 | 41 | ST-3 | Tracy Sports with Delta | Yuma Shoji Yoshihiro Ito Yukihiro Yamaji Ryuta Ukai | Lexus RC 350 |
| 41 | 52 | ST-3 | Saitama Toyopet GreenBrave | Naoki Hattori Hiroki Yoshida Kohta Kawaai Takayuki Hiranuma | Toyota Crown RS |
| 42 | 62 | ST-3 | HELM Motorsports | Yuya Hiraki Reiji Hiraki Tomoki Takahashi | Lexus RC 350 |
| 43 | 244 | ST-3 | Max Racing | Toru Tanaka Tetsuya Tanaka Atsushi Miyake | Nissan Fairlady Z34 |
| 44 | 5 | ST-4 | SPV Racing Tracy Sports | TBN | Toyota 86 |
| 45 | 18 | ST-4 | Asano Racing Service | Takeo Asano Daiki Fujiwara Takeshi Tsuchiya Toshikazu Shiba TBN | Toyota 86 |
| 46 | TBN | ST-4 | TBN | TBN | TBN |
| 47 | 310 | ST-4 | C.S.I Racing | Sho Tsuboi Shinya Hosokawa Fuma Horio | Toyota 86 |
| 48 | 884 | ST-4 | Hayashi Telempu Shade Racing | Yuji Kunimoto Keishi Ishikawa Eijiro Shimizu | Toyota 86 |
| 49 | 4 | ST-5 | Team Bride | Yuya Ohta Hiroshi Ito Hidefumi Minami Seijiro Aihara | Honda Fit RS |
| 50 | 17 | ST-5 | Team NOPRO | Tobio Ohtani Toshihiko Nogami Yoshihiro Kato | Mazda Demio Diesel |
| 51 | 37 | ST-5 | Team NOPRO | Kaoru Ijiri Kazunori Yoshioka Yutaka Seki Tatsuya Nogami | Mazda Demio Diesel |
| 52 | 50 | ST-5 | Love Drive Racing | Koji Yamanishi Hiroyuki Matsumura Yoshihito Shinoda | Mazda Roadster |
| 53 | 66 | ST-5 | Over Drive | Takayuki Takechi Tatsuya Ota Takahisa Ohno Kyosuke Inomata | Mazda Roadster |
| 54 | 67 | ST-5 | Team Yamato | Ryohei Yasui Shinya Uchiyama Hideaki Ito | Honda Fit RS |
| 55 | 72 | ST-5 | Nihon Automobile College | Makoto Kanai Anna Inotsume ♀ Tatsuya Okahara Yasuhiro Matsuro TBN | Mazda Roadster |
| 56 | 78 | ST-5 | Love Drive Racing | Junko Fujii ♀ Akie "Jco" Iinuma ♀ | Mazda Roadster |
| 57 | 88 | ST-5 | Murakami Motors | Hiroyuki Murakami Yasunori Nakajima Tatsuya Tanigawa | Mazda Roadster |
| 58 | 103 | ST-5 | HM Racers | Kota Sasaki Soichiro Yoshida Tomomitsu Seno | Mazda Mazda2 |
| 59 | 120 | ST-5 | Murakami Motors | TBN | Mazda Roadster |
| 60 | 222 | ST-5 | Honda Cars Tokai | Toshiki Takeuchi Masanori Tanaka Hajime Saimen | Honda Fit RS |
| 61 | 456 | ST-5 | Avantech Racing Team/Over Drive | Riku Hashimoto Kousei Kanto Tatsuya Osaki Koji Obara Ryosuke Kagami Takafumi Katsuki | Mazda Roadster |