Pulau Betong is a state constituency in Penang, Malaysia, that has been represented in the Penang State Legislative Assembly since 2004. It covers a part of the western half of Penang Island that includes the town of Balik Pulau. The state constituency was first contested in 2004 and is mandated to return a single Assemblyman to the Penang State Legislative Assembly under the first-past-the-post voting system. Since 2018, the State Assemblyman for Pulau Betong is Mohd Tuah Ismail from Parti Keadilan Rakyat (PKR), which is part of the state's ruling coalition, Pakatan Harapan (PH).