Results breakdown of the 2003 Spanish local elections (Catalonia)

This is the results breakdown of the local elections held in Catalonia on 25 May 2003. The following tables show detailed results in the autonomous community's most populous municipalities, sorted alphabetically.

City control
The following table lists party control in the most populous municipalities, including provincial capitals (shown in bold). Gains for a party are displayed with the cell's background shaded in that party's colour.

Badalona

 * Population: 210,370

Barcelona

 * Population: 1,527,190

Cornellà de Llobregat

 * Population: 81,881

Girona

 * Population: 77,475

L'Hospitalet de Llobregat

 * Population: 244,323

Lleida

 * Population: 115,000

Mataró

 * Population: 109,298

Reus

 * Population: 91,616

Sabadell

 * Population: 187,201

Sant Cugat del Vallès

 * Population: 59,837

Santa Coloma de Gramenet

 * Population: 115,568

Tarragona

 * Population: 117,184

Terrassa

 * Population: 179,300