Limay, officially the Municipality of Limay, is a municipality in the province of Bataan, Philippines. According to the 2020 census, it has a population of 78,272 people. Dominican and Franciscan friars settled Limay by the late 1600s, using its rich limestone deposits to build churches in Orion and Balanga. At the time, Limay was a Barangay of Orion.