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.
[1] All teams & drivers were Japanese-registered.
All rounds were held in Japan and supported the Super GT events.
[1] Points were awarded as follows: Bold – PoleItalics – Fastest Lap† — Did not finish but classified Only the best finisher scored points for their team.