Mohd Yusni bin Mat Piah isÃÂ a Malaysian politician who has served as Member of the Penang State Legislative Assembly (MLA) for Penaga since May 2018. He is a member of theÃÂ Malaysian Islamic Party (PAS), a component party of the Perikatan Nasional (PN) coalition. He was also previously the sole PAS Penang MLA prior to the 2023 Penang state election.