Hualqui (Spanish pronunciation: [ˈwalki]) is a Chilean city and commune in the Concepción Province, Biobio Region.

In 1577, the Royal Governor of Chile Rodrigo de Quiroga erected a small fort of Hualqui on the Biobío River 23 km (14 mi) from the city of Concepcion and 24 km (15 mi) to the northwest of Talcamávida at the site of the modern city and over time a small settlement grew around it.

According to the 2017 census of the National Statistics Institute, Hualqui spans an area of 530.5 km2 (205 sq mi) and has 24,333 inhabitants (11,843 men and 12,490 women).

[3] As a commune, Hualqui 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 Alejandro Navarro Brain (MAS) and Hosain Sabag Castillo (PDC) as part of the 12th senatorial constituency (Biobío-Cordillera).