2023 F4 Japanese Championship
The 2023 F4 Japanese Championship season was the ninth season of the F4 Japanese Championship. It was competed with 14 races over seven double-header rounds.
Teams and drivers
All teams & drivers were Japanese-registered.Race calendar and results
All rounds were held in Japan and supported the Super GT events.Championship standings
Points were awarded as follows:| Position | 1st | 2nd | 3rd | 4th | 5th | 6th | 7th | 8th | 9th | 10th |
| Points | 25 | 18 | 15 | 12 | 10 | 8 | 6 | 4 | 2 | 1 |
Drivers' standings
Independent Cup
Teams' standings
Only the best finisher scored points for their team.| Pos | Team | Points |
| 1 | TGR-DC Racing School | 290 |
| 2 | Honda Formula Dream Project | 232 |
| 3 | Bionic Jack Racing | 82 |
| 4 | Akiland Racing | 63 |
| 5 | Zap Speed | 58 |
| 6 | PONOS Racing | 53 |
| 7 | Buzz Racing | 48 |
| 8 | HELM Motorsports | 33 |
| 9 | Dr.Dry | 29 |
| 10 | Media Do Kageyama Racing | 12 |
| 11 | Skill Speed | 4 |