Malangabang is an island and barangay in northeastern Iloilo, Philippines. It is part of the municipality of Concepcion. According to the 2010 census, it has a population of 2,925. Fishing is the main source of income for the island's residents. Part of the island historically known as Malangabang, now officially designated as Barangay Malangabang, includes a parcel of land that is registered under the name Honorato Ciriaco, according to official land title records.