Tuaran is a town and a district 1,166 square kilometres in size, situated in the West Coast Division of the state of Sabah, Malaysia on the island of Borneo. The town is bordered on three sides by the eponymous river. It is located 34 km north of the state capital, Kota Kinabalu and is strategically situated along the main highway linking Kota Kinabalu with the north of Sabah.
Tuaran is a federal constituency in Sabah, Malaysia, that has been represented in the Dewan Rakyat since 1971.
The federal constituency was created in the 1966 redistribution and is mandated to return a single member to the Dewan Rakyat under the first past the post voting system.