Zairil Khir Johari is a Malaysian politician who has served as 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 Tanjong Bunga since May 2018. He served as the Member of Parliament (MP) for Bukit Bendera from May 2013 to May 2018. He is a member of the Democratic Action Party, a component party of the PH coalition. In DAP, he served as the Assistant National Publicity Secretary from September 2013 to March 2022, State Vice Chairman of Penang since December 2013 and Parliamentary Spokesperson of Education, Science and Technology. He is the son of Khir Johari, former federal minister and prominent politician from Barisan Nasional (BN) and Alliance.

The Penang State Executive Council is the executive authority of the state government of Penang, a Malaysian state. Led by the Chief Minister, the head of government who is appointed by Penang's head of state, the Governor, the Executive Council also comprises between four and ten other State Assemblymen from the Penang State Legislative Assembly, as well as the State Secretary, the State Legal Adviser and the State Financial Officer.