Dato' Ir. Ahmad Zakiyuddin bin Abdul Rahman (born 1959) is a Malaysian politician who has served as the Deputy Chief Minister of Penang I and Member of the Penang State Executive Council (EXCO) in the Pakatan Harapan (PH) state administration under Chief Minister Chow Kon Yeow and Member of the Penang State Legislative Assembly (MLA) for Pinang Tunggal since May 2018. He has also served as Deputy President of the Penang Islamic Religious Council since 2018. He is a member of the People's Justice Party (PKR), a component party of the state ruling but federal opposition PH and formerly PR coalitions.