Kolašin is a town in northern Montenegro. It has a population of 2,989 (2003 census). Kolašin is the centre of Kolašin Municipality (population 9,949) and an unofficial centre of Moraca region, named after Moraca River.

Kolašin is one of the centres of Montenegro's mountain tourism. Although Žabljak is considered more attractive destination, Kolašin has the advantage of being easily accessible by road and rail.

Kolašin is located on the foot of Bjelasica and Sinjajevina mountains, which offer great conditions for skiing. Because of Kolašin's altitude (954 m), the town is considered an air spa.

Biogradska Gora national park is in the town's vicinity, and is considered a premium tourist attraction. The development of Kolašin as a tourist destination is bolstered by opening of Bianca Resort & Spa, a luxury resort in town's center.