Results breakdown of the 1983 Spanish local elections (Castile and León)

This is the results breakdown of the local elections held in Castile and León on 8 May 1983. 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.

Ávila

 * Population: 40,173

Burgos

 * Population: 152,545

León

 * Population: 127,095

Palencia

 * Population: 71,716

Ponferrada

 * Population: 53,763

Salamanca

 * Population: 153,981

Segovia

 * Population: 50,759

Soria

 * Population: 30,326

Valladolid

 * Population: 320,293

Zamora

 * Population: 58,560