Bengkalis may refer to: Bengkalis Island an island in the Strait of Malacca, Riau, Indonesia. Bengkalis Regency, a regency in Riau province, Indonesia. It comprises Bengkalis Island, Rupat Island, and a part of Sumatra mainland. Bengkalis, Bengkalis, a district in Bengkalis Regency. Bengkalis Kota, a town in Bengkalis District.