Laguna Blanca is a Chilean commune located in Magallanes Province and Region. The commune is administered by the municipality in Villa Tehuelches, that is the major settlement in the whole commune.
According to the 2002 census of the National Statistics Institute, Laguna Blanca spans an area of 3,695.6 km2 (1,427 sq mi) and has 663 inhabitants (563 men and 100 women), making the commune an entirely rural area. The population fell by 23.5% (204 persons) between the 1992 and 2002 censuses.
As a commune, Laguna Blanca 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 current alcalde is Fernando Ojeda González (PS).