2003 Japanese Formula 3 Championship

The 2003 Japanese Formula 3 Championship was the 25th edition of the Japanese Formula 3 Championship. It began on 22 March at Suzuka and ended on 19 October at Motegi. Australian driver James Courtney took the championship title, winning 13 from 20 races.

Teams and drivers

 * All teams were Japanese-registered. All cars were powered by Bridgestone tyres.

Race calendar and results

 * Notes

Standings

 * Points are awarded as follows, with only the best 16 results to count: