Lambunao, officially the Municipality of Lambunao (Kinaray-a: Banwa kang Lambunao, Hiligaynon: Banwa sang Lambunao, Tagalog: Bayan ng Lambunao), is a municipality in the province of Iloilo, Philippines. According to the 2024 census, it has a population of 80,724 people.

Lambunao is the largest municipality in Iloilo in terms of land area and is 47 kilometres (29 mi) from Iloilo City.

Lambunao is politically subdivided into 73 barangays.  Each barangay consists of puroks and some have sitios.

In the 2024 census, the population of Lambunao was 80,724 people, with a density of 200 inhabitants per square kilometre or 520 inhabitants per square mile.

Poverty incidence of Lambunao

Source: Philippine Statistics Authority