※ Team names, vehicles, and drivers are subject to change.
| Class | No. | Team | Drivers | Vehicle |
|---|---|---|---|---|
| ST-X (GT3) | 1 | Zhongsheng ROOKIE Racing | Ryuta Ukai Giuliano Alesi 🇫🇷 Naoya Gamou Tatsuya Kataoka | Mercedes-AMG GT3 |
| ST-X (GT3) | 23 | TKRI | Daisuke Yuya Motojima Yuhki Nakayama | Mercedes-AMG GT3 |
| ST-X (GT3) | 31 | apr | Hiroaki Nagai Kazuto Kotaka Miki Koyama ♀️ Koki Saga | Lexus RC F GT3 |
| ST-X (GT3) | 62 | TBN | TBN | TBN |
| ST-X (GT3) | 81 | TBN | Noboyuki Oyagi TBN TBN TBN | Nissan GT-R NISMO GT3 |
| ST-X (GT3) | 85 | TBN | TBN | TBN |
| ST-Z (GT4) | 5 | Team Noah | TBN | Toyota GR Supra GT4 Evo |
| ST-Z (GT4) | 19 | Birth Racing Project[BRP] | Yuki Fujii Takeshi Suehiro Anna Inotsume ♀️ Kazuya Oshima (Neyagawa) | Porsche 718 Cayman GT4 RS |
| ST-Z (GT4) | 20 | Team Impul | Yuki Tanaka Kazuki Hiramine Kazuki Oki | Nissan Z NISMO GT4 |
| ST-Z (GT4) | 21 | Hitotsuyama Racing | Daisuke Yamawaki Sean Walkinshaw 🇬🇧 James Pull 🇬🇧 Shintaro Kawabata | Mercedes-AMG GT4 |
| ST-Z (GT4) | 22 | Porsche Team EBI | Shota Kitazono Rintaro Kubo Naoya Yamano Yugo Iwasawa | Porsche 718 Cayman GT4 RS Clubsport |
| ST-Z (GT4) | 25 | Team ZeroOne | Tadao Uematsu Tsugio Matsuda Kimiya Sato Teppei Natori | Nissan Z NISMO GT4 |
| ST-Z (GT4) | 26 | Team ZeroOne | Ryuichiro Otsuka Ryuichiro Tomita Takuro Shinohara Seiji Ara | Nissan Z NISMO GT4 |
| ST-Z (GT4) | 34 | Techno First | Masaki Kano Riki Okusa Hironobu Yasuda Ryoma Henzan | Audi R8 LMS GT4 |
| ST-Z (GT4) | 40 | TBN | TBN | TBN |
| ST-Z (GT4) | 52 | Saitama Green Brave | Manabu Yamazaki Hiroki Yoshida Naoki Hattori Seita Nonaka | Toyota GR Supra GT4 Evo |
| ST-Z (GT4) | 59 | 2W Zoomies x GR Garage Yamaguchi-Shunan | TBN | Toyota GR Supra GT4 Evo |
| ST-Z (GT4) | 77 | TBN | TBN | TBN |
| ST-Z (GT4) | 111 | Buzz Progress Racing | Nagayasu Miyagi Max Yuki Salo 🇫🇮 Sota Ogawa Taiga Imoto | Mercedes-AMG GT4 |
| ST-Z (GT4) | 555 | AutoFactory | Jun Tashiro Shigehiro Ikemoto Kazutaka Tokufuji Go Nagata | Mercedes-AMG GT4 |
| ST-Z (GT4) | 885 | SHADE Racing | Hiro Hayashi Katsuyuki Hiranaka Eijiro Shimizu | Toyota GR Supra GT4 Evo |
| ST-TCR | 97 | M&K Racing | Mitsuhiro Endo Shinji Nakano TBN TBN | Honda Civic Type R TCR (FL5) |
| ST-TCR | 98 | TBN | TBN | Honda Civic Type R TCR (FL5) |
| ST-TCR | TBN | TBN | TBN | TBN |
| ST-Q | 12 | Mazda Spirit Racing | Hiroshi Kawata Ryohei Sakaguchi Yuui Tsutsumi | Mazda Roadster CNF Concept |
| ST-Q | 28 | ORC ROOKIE Racing | Eisuke Sasaki Sho Tsuboi Kazuya Oshima (Tomioka) Daisuke Toyoda | Toyota GR86 CNF Concept |
| ST-Q | 32 | ORC ROOKIE Racing | Morizo (Akio Toyoda) Masahiro Sasaki Hiroaki Ishiura Yasuhiro Ogura | Toyota GR Corolla H2 Concept |
| ST-Q | 55 | Mazda Spirit Racing | Kazuhiro Terakawa Yutaka Seki Kaoru Ijiri Ikuo Maeda | Mazda Mazda3 Bio Concept |
| ST-Q | 61 | Team SDA Engineering | Kazuhiro Ito Hideki Yamauchi Takuto Iguchi Masafumi Hanazawa | Subaru BRZ CNF Concept |
| ST-Q | 92 | GR Team Spirit | Keizo Kato Takamitsu Matsui Shunsuke Kohno Kenta Yamashita | Toyota GR Supra Racing Concept |
| ST-Q | 230 | NISMO | Kohei Hirate Daiki Sasaki Katsumasa Chiyo Mitsunori Takaboshi | Nissan Z Racing Concept |
| ST-Q | 271 | Team HRC | Hiroki Otsu TBN TBN | Honda Civic Type R CNF-R |
| ST-1 | 2 | K's Frontier KTM Cars | Taiyo Ida Hiroki Katoh Kazuho Takahashi Hiroki Yoshimoto | KTM X-Bow GTX |
| ST-2 | 6 | Shinryo Racing Team | Tomohiro Tomimasu Yasushi Kikuchi Masazumi Ohashi | Mitsubishi Lancer Evolution X |
| ST-2 | 7 | Shinryo Racing Team | Hitoshi Gotoh Keisuke Anzai Kazunari Yoshioka Hisahiko Usui | Mitsubishi Lancer Evolution X |
| ST-2 | 13 | Endless Sports | Masaya Hanazato Mizuki Ishizaka Hitoshi Okada | Toyota GR Yaris |
| ST-2 | 36 | HCM Uchino Racing | Noriaki Uchino Koichi Iwama Toshijiro Akutsu Jun Doi | Honda Civic Type R |
| ST-2 | 72 | Nihon Automobile College | Makoto Kanai Tetsuya Yamano Toshiya Nojima | Honda Civic Type R |
| ST-2 | 95 | Team Spoon | Eiji Yamada Syun Koide Piston (Ken) Nishizawa | Honda Civic Type R |
| ST-2 | 225 | KTMS | Kengo Ichijo Shunji Okumoto Rikuto Kobayashi Jin Nakamura | Toyota GR Yaris |
| ST-2 | 743 | Honda R&D Challenge | Hiroki Ishigaki Tensho Kobayashi Junichi Kidachi | Honda Civic Type R |
| ST-2 | TBN | TBN | TBN | TBN |
| ST-3 | 15 | Okabe Jidosha Motorsport | Shuji Maejima Masaaki Nagashima Nozomi Udaka Seiya Motojima | Nissan Fairlady Z34 |
| ST-3 | 16 | Okabe Jidosha Motorsport | Toru Tanaka Tsubasa Mekaru Tetsuya Tanaka Kazuomi Komatsu | Nissan Fairlady Z34 |
| ST-3 | 38 | Tracy Sports with Delta | Takanobu Ishizuka Toshiki Ishimori Shunsuke Ozaki | Lexus RC 350 |
| ST-3 | 39 | Tracy Sports with Delta | Shinya Fujita Yuma Shoji Takashi Ito | Lexus RC 350 |
| ST-4 | 3 | Endless Sports | Hiroyuki Saka Togo Suganami Reimei Ito | Toyota GR86 |
| ST-4 | 18 | Asano Racing Service | Takeo Asano Shinnosuke Ito Kazumi Mikami ♀️ Shoya Suzuki | Toyota GR86 |
| ST-4 | 41 | Tracy Sports with Delta | Hirotaka Ishii Yusuke Tomibayashi Dai Mizuno | Toyota GR86 |
| ST-4 | 60 | Team G/Motion' | Resshu Shioya Masayuki Minato Keisuke Ohara | Toyota GR86 |
| ST-4 | 66 | Over Drive | Kyosuke Inomata Kohei Tokumasu Takahisa Ohno Hirohito Ito | Mazda Roadster RF |
| ST-4 | 216 | HMR Racing | Kenbow (Kensuke Ehara) Kota Sasaki Tomomitsu Senoo Ishiken (Kenji Ishikawa) | Toyota GR86 |
| ST-4 | 885 | SHADE Racing | Masahiko Kageyama Yuji Kunimoto Shinnosuke Yamada Teppei Tsuruta | Toyota GR86 |
| ST-5 | 4 | Team Bride | Yuya Ohta Kaoru Arai Takao Seto TBN | Honda Fit4 RS (GS4) |
| ST-5 | 11 | D.R.C EZO | Hajime Omono Ryohei Oshima Ryoji Tashiro Masaharu Nishioka | Honda Fit3 RS (GK5) |
| ST-5 | 17 | Team NOPRO | Hideyoshi Nishizawa Tobio Otani Misaki Konishi Toshihiko Nogami | Mazda Mazda2 Diesel Turbo (DJ5FS) |
| ST-5 | 27 | Maple Hiroshima Racing Team | Haruhiko Sugino Yuga Furutani Noriyuki Higuchi TBN | Mazda Roadster |
| ST-5 | 37 | Team NOPRO | Johnny (Toru) Ogura Suguru Kawana Kazuhito Ishii Yoshihiro Kato | Mazda Demio (DE5FS) |
| ST-5 | 50 | LoveDrive Racing | Junko Fujii ♀️ TBN TBN TBN | Mazda Roadster |
| ST-5 | 65 | Over Drive | Tatsuya Ota Shuichiro Hokazono Sena Kuronuma Takuma Ikeda | Mazda Roadster |
| ST-5 | 67 | Team Yamato | Shinya Uchiyama Ryohei Yasui Ryo Mukumoto | Honda Fit3 RS (GK5) |
| ST-5 | 76 | Buzz Progress Racing | Naoto Uzuka Junpei Kato Hitoshi Sakai Takashi Nara | Mazda Roadster |
| ST-5 | 88 | Murakami Motors | Hiroyuki Murakami TBN TBN TBN | Mazda Roadster |
| ST-5 | 89 | Murakami Motors | TBN | Mazda Roadster |
| ST-5 | 110 | Access Racing Team | Toshiyuki Matsuda TBN Taiga Kabaki | Toyota Vitz (NCP131) |
| ST-5 | 120 | Mazda Spirit Racing | Junji Ueda Tatsuya Minowa Shohei Oda Eiichi Honda | Mazda Roadster |
| ST-5 | 222 | Honda Cars Tokai | Toshiki Takeuchi Masayuki Sumi Masaki Nishihata | Honda Fit4 RS (GS4) |
| ST-5 | 290 | AutoLabo | Takeshi Kitagawa Yuuma Murata Atsuhito Otomo Daimu Yasuda | Toyota Yaris (MXPA10) |
| ST-5 | 888 | Select Hotels Group | Takuya Shiga Taro Matsunami Hiroshi Nakamura Takaya Kusano | Honda Fit3 RS (GK5) |
Feature image © STO