Penaga 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. , the State Assemblyman for Penaga is Mohd Yusni Mat Piah from the Malaysian Islamic Party (PAS).
According to the federal gazette issued on 30 March 2018, the Penaga constituency is divided into 9 polling districts.