Tremp (Catalan: [ˈtɾemp]) is a municipality in Catalonia, Spain, the capital of the comarca of the Pallars Jussà.

The municipality is a geographical oddity and consists of five separate territorial entities within the comarca (district) of Pallars Jussa (see image).

A third portion is an exclave of the comarca within the municipality of el Pont de Suert in the Alta Ribagorça.

In the east the villages of Palau de Noguera, Suterranya and Vilamitjana form the fourth entity, while the fifth and smallest portion (of only 1,59 km2) is formed by the village of Puigcercós, south of Tremp.

The municipality of Tremp includes twenty-eight outlying settlements: populations are given as of 2005 and 2023: -Les Serretes.