The 2003 Volta a Catalunya was the 83rd edition of the Volta a Catalunya cycle race and was held from 16 June to 22 June 2003.

The race started in Salou and finished in Barcelona.

[2] The race was won by José Antonio Pecharromán of the Paternina–Costa de Almería team.

Fifteen teams of up to eight riders started the race:[3] 16 June 2003 - Salou to Vila-seca, 26.7 km (16.6 mi) (TTT)[6] 17 June 2003 - Móra d'Ebre to El Morell, 183.6 km (114.1 mi)[7] 18 June 2003 - La Pobla de Mafumet to Andorra (Els Cortals d'Encamp), 216.6 km (134.6 mi)[8] 19 June 2003 - Andorra la Vella to Llívia, 157.4 km (97.8 mi)[9] 20 June 2003 - Llívia to Manresa, 166.3 km (103.3 mi)[10] 21 June 2003 - Molins de Rei to Vallvidrera, 13.1 km (8.1 mi) (ITT)[11] 22 June 2003 - Sant Joan Despí to Barcelona (La Pedrera), 128 km (80 mi)[12]