The 1991 Spanish local elections were held on Sunday, 26 May 1991, to elect all 66,308 councillors in the 8,060 municipalities of Spain and all 1,032 seats in 38 provincial deputations. The elections were held simultaneously with regional elections in thirteen autonomous communities, as well as local elections in the three foral deputations of the Basque Country and the ten island councils in the Balearic and Canary Islands.

The 1987 Spanish local elections were held on Wednesday, 10 June 1987, to elect all 65,577 councillors in the 8,062 municipalities of Spain and all 1,028 seats in 38 provincial deputations. The elections were held simultaneously with regional elections in thirteen autonomous communities, as well as local elections in the three foral deputations of the Basque Country, the ten island councils in the Balearic and Canary Islands and the 1987 European Parliament election.