Ibiza–Formentera (Senate constituency)

Ibiza–Formentera (Eivissa–Formentera) is one of the 59 constituencies (circunscripciones) represented in the Senate of Spain, the upper chamber of the Spanish parliament, the Cortes Generales. The constituency elects one senator. Its boundaries correspond to those of the islands of Ibiza and Formentera. The electoral system uses an open list partial block voting, with electors voting for individual candidates instead of parties.

Senators
{| class="wikitable" style="font-size:95%;" ! colspan="3"| Senators for Ibiza–Formentera 1977–
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 * colspan="3"|
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! Legislature ! Election ! Distribution
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 * Constituent
 * 1977
 * 1st
 * 1979
 * 1st
 * 1979
 * 1979


 * 2nd
 * 1982
 * 3rd
 * 1986
 * 3rd
 * 1986
 * 1986


 * 4th
 * 1989
 * 5th
 * 1993
 * 5th
 * 1993
 * 1993


 * 6th
 * 1996
 * 7th
 * 2000
 * 7th
 * 2000
 * 2000


 * 8th
 * 2004
 * 9th
 * 2008
 * 9th
 * 2008
 * 2008


 * 10th
 * 2011
 * 11th
 * 2015
 * 11th
 * 2015
 * 2015


 * 12th
 * 2016
 * 13th
 * 2019 (Apr)
 * 13th
 * 2019 (Apr)
 * 2019 (Apr)


 * 14th
 * 2019 (Nov)
 * 15th
 * 2023
 * 15th
 * 2023
 * 2023


 * }