Vilcún (Mapudungun for "lizard") is a Chilean town and commune in Cautín Province, Araucanía Region.

The town is an important gateway for tourists visiting Conguillío National Park and Llaima volcano.

According to the 2002 census of the National Statistics Institute, Vilcún spans an area of 1,420.9 km2 (549 sq mi) and has 22,491 inhabitants (11,392 men and 11,099 women).

[3] As a commune, Vilcún is a third-level administrative division of Chile administered by a municipal council, headed by an alcalde who is directly elected every four years.

The commune is represented in the Senate by Alberto Espina Otero (RN) and Jaime Quintana Leal (PPD) as part of the 14th senatorial constituency (Araucanía-North).