Results breakdown of the 1991 Spanish local elections (Balearic Islands)

This is the results breakdown of the local elections held in the Balearic Islands on 26 May 1991. 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.

Ciutadella de Menorca

 * Population: 21,092

Ibiza

 * Population: 33,776

Inca

 * Population: 22,219

Llucmajor

 * Population: 17,977

Manacor

 * Population: 28,791

Maó-Mahón

 * Population: 24,383

Palma de Mallorca

 * Population: 325,120

Santa Eulària des Riu

 * Population: 17,615