Pototan is a first class municipality in the province of Iloilo, Philippines. According to the 2010 census, it has a population of 70,955 people.
The town lies on the banks of the Suage River, 30 kilometres (19 mi) north from Iloilo City. It is a large town composed of 50 barangays. The town has an area of 94 km², 85% of which is agricultural land. In December 1997, it was declared as the "Christmas Capital of Western Visayas" because of its famed Christmas Festival of Lights.
Considered the rice granary of Panay, the town is bordered by Dingle to the north, Zarraga to the south, Barotac Nuevo to the east, and Mina to the west.