Sungai Acheh is a state constituency in Penang, Malaysia, that has been represented in the Penang State Legislative Assembly.
The state constituency was first contested in 1974 and is mandated to return a single Assemblyman to the Penang State Legislative Assembly under the first-past-the-post voting system.
According to the federal gazette issued on 30 March 2018, the Sungai Acheh constituency is divided into 7 polling districts.