Cabatuan, officially the Municipality of Cabatuan (Ilocano: Ili ti Cabatuan; Tagalog: Bayan ng Cabatuan), is a 3rd class municipality in the province of Isabela, Philippines. According to the 2020 census, it has a population of 39,990 people.

Being a major rice producing town, it is the home of several rice mills and rice traders, dubbed as the Land of the Golden Grains.