2003 Spanish Formula Three Championship

The 2003 Spanish Formula Three Championship was the third Spanish Formula Three season. It began on 27 April at Albacete and ended on 9 November at Circuit de Catalunya in Montmeló after thirteen races. Ricardo Mauricio was crowned series champion.

Teams and drivers

 * All teams were Spanish-registered. All cars were powered by Toyota engines, Dallara F300 chassis and Dunlop tyres.

Drivers' standings
† – Drivers did not finish the race, but were classified as they completed over 90% of the race distance.
 * Points were awarded as follows:

Teams' standings

 * Points were awarded as follows: