2003 International Formula 3000 Championship

The 2003 International Formula 3000 season was the thirty-seventh season of the second-tier of Formula One feeder championship and also nineteenth season under the International Formula 3000 Championship moniker. It featured the 2003 FIA Formula 3000 International Championship with titles awarded for both Drivers and Teams. The championship was contested over ten events from 19 April to 13 September 2003.

The Drivers Championship was won by Björn Wirdheim and the Teams Championship was awarded to Arden International Ltd.

Teams and drivers
The following teams and drivers contested the 2003 FIA Formula 3000 International Championship.

Calendar
The 2003 FIA Formula 3000 International Championship was contested over a ten event series.

Drivers' Championship

 * All drivers used Lola B02/50 chassis with Zytek-Judd KV engines and Avon tyres.
 * Championship points were awarded on a 10-8-6-5-4-3-2-1 basis to the first eight finishers at each event. If two or more drivers had the same number of points (including 0 points), their positions in the Championship was fixed according to the quality of their places. Under this system one first place was better than any number of second places, one second place was better than any number of third places and so on.

Teams Championship
Points for the 2003 FIA Formula 300 International Championship for Teams were awarded on a 10-8-6-5-4-3-2-1 basis for the first eight places at each event. Results from both team cars were taken into account.