Unión Deportiva Collerense is a football team based in Palma de Mallorca in the autonomous community of Balearic Islands.

The club's home ground is Estadio Municipal Coll d’en Rebassa with a 1,000-seat capacity.

[3] Originally founded in 1967, UD Collerense were RCD Mallorca's reserve team for the 1981–82 and 1982–83 seasons, both in Tercera División.

At conclusion of the latter campaign, the club officially became RCD Mallorca Atlético, and a new UD Collerense was formed shortly after.

UD Collerense Femenino are the women's section of the team.