Results breakdown of the 1979 Spanish local elections (Basque Country)

This is the results breakdown of the local elections held in the Basque Country on 3 April 1979. 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).

Baracaldo

 * Population: 122,540

Basauri

 * Population: 53,946

Bilbao

 * Population: 450,661

Guecho

 * Population: 63,926

Irún

 * Population: 53,921

Portugalete

 * Population: 56,501

Rentería

 * Population: 48,586

San Sebastián

 * Population: 174,818

Santurce Antiguo

 * Population: 54,470

Vitoria

 * Population: 181,216