The 1990 Japanese Formula 3000 Championship was contested over 10 rounds. 25 different teams, 38 different drivers, 4 different chassis and 2 different engines competed.
Calendar
All events took place at venues located within the country of Japan.
The scoring system was 9-6-4-3-2-1 points awarded to the first six classified drivers. The best seven results counted. One driver had a point deduction, which are given in ().