Dueñas is a 4th class municipality in the province of Iloilo, Philippines. According to the 2000 census, it has a population of 30,882 people in 5,850 households.
Barangays: Agutayan, Angare, Anjawan, Baac, Bagongbong, Balangigan, Balingasag, Banugan, Batuan, Bita, Buenavista, Bugtongan, Cabudian, Calaca-an, Calang, Calawinan, Capaycapay, Capuling, Catig, Dila-an, Fundacion, Inadlawan, Jagdong, Jaguimit, Lacadon, Luag, Malusgod, Maribuyong, Minanga, Monpon, Navalas, Pader, Pandan, Ponong Grande, Ponong Pequeño, Purog, Romblon, San Isidro, Santo Niño, Sawe, Taminla, Tinocuan, Tipolo, Poblacion A, Poblacion B, Poblacion C, & Poblacion D.