Freirina is a Chilean commune and town in Huasco Province, Atacama Region.

The commune spans an area of 3,577.7 km2 (1,381 sq mi).

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

Within the electoral divisions of Chile, Freirina is represented in the Chamber of Deputies by Mr. Alberto Robles (PRSD) and Mr. Giovanni Calderón (UDI) as part of the 6th electoral district, (together with Caldera, Tierra Amarilla, Vallenar, Huasco and Alto del Carmen).

The commune is represented in the Senate by Isabel Allende Bussi (PS) and Baldo Prokurica Prokurica (RN) as part of the 3rd senatorial constituency (Atacama Region).