Alp is a town and municipality in the comarca of Cerdanya, Province of Girona, Catalonia, Spain. Its population is 1,745 according to the 2012 census.

Alp is home to the ski resort of La Molina.

Alp includes the two towns of La Molina and Masella, whose two respective ski areas united to form this resort. The resort of Masella serves the mountain of La Tosa.

Alp 2500 has over 130 km (80 mi.) of slopes, and its Hotel Alp is only 50 meters (165 ft.) from the slopes.

La Molina hosted World Cup alpine events in December 2008 (women's technical events) and the FIS Snowboarding World Championships in January 2011.