Super FJ, commonly abbreviated as S-FJ, is a single-seater motor racing category based in Japan.

[3] In the inaugural 2007 season, Super FJ featured JAF-sanctioned regional championships at four major circuits throughout Japan.

The Suzuka Series featured grids of solely Super FJ cars, while the championships at Motegi, Okayama, and Tsukuba were run alongside the existing FJ1600 entries.

Since 2007, champions and other top competitors in each regional series have competed in the season-ending final race (Japanese: 日本一決定戦, lit.

A number of chassis manufacturers compete in Super FJ, with all cars adhering to the same series regulations.