The 2015 F4 Japanese Championship was the inaugural season of the F4 Japanese Championship.
It began on 4 April in Okayama and finished on 15 November on Twin Ring Motegi after seven double header rounds.
[1] The calendar was published on 19 January 2015.
[1] All rounds were held in Japan and were part of the Super GT events.
Bold – PoleItalics – Fastest Lap† — Did not finish, but classified Official website (in Japanese)