The Socialist Party of Menorca (, PSM or PSM-menorca) is a democratic socialist, environmentalist and Catalan nationalist political party in the island of Menorca, Balearic Isles, Spain. It is the major party in the More for Menorca coalition.
The party appeared as the merger of two socialist parties of Menorca, the Socialist Movement of Menorca and the Federalist Movement of Menorca, in 1977. In 1995 the youth wing of the party, Joventuts d'Esquerra Nacionalista was created.