Ñiquén is a commune of the Punilla Province, located in the north of the Ñuble Region of Chile.

According to the 2002 census of the National Statistics Institute, Ñiquén spans an area of 493.1 km2 (190 sq mi) and has 11,421 inhabitants (5,886 men and 5,535 women).

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

[1][2] Within the electoral divisions of Chile, Ñiquén is represented in the Chamber of Deputies by Jorge Sabag (PDC) and Frank Sauerbaum (RN) as part of the 42nd electoral district, together with San Fabián, San Carlos, San Nicolás, Ninhue, Quirihue, Cobquecura, Treguaco, Portezuelo, Coelemu, Ránquil, Quillón, Bulnes, Cabrero and Yumbel.

The commune is represented in the Senate by Alejandro Navarro Brain (MAS) and Hosain Sabag Castillo (PDC) as part of the 12th senatorial constituency (Biobío-Cordillera).