Isabela is a 3rd class municipality in the province of Negros Occidental, Philippines. According to the 2000 census, it has a population of 48,719 people in 9,469 households. Isabela is known for BISCOM (Binalbagan Isabela Sugar Company).

Barangays

Isabela is politically subdivided into 30 barangays.

* Amin
* Banogbanog
* Bulad
* Bungahin
* Cabcab
* Camangcamang
* Camp Clark
* Cansalongon
* Guintubhan
* Libas
* Limalima
* Makilignit
* Mansablay
* Maytubig
* Panaquiao
* Barangay 1 (Pob.)
* Barangay 2 (Pob.)
* Barangay 3 (Pob.)
* Barangay 4 (Pob.)
* Barangay 5 (Pob.)
* Barangay 6 (Pob.)
* Barangay 7 (Pob.)
* Barangay 8 (Pob.)
* Barangay 9 (Pob.)
* Riverside
* Rumirang
* San Agustin
* Sebucawan
* Sikatuna
* Tinongan