Zairil Khir Johari (born 17 October 1982) is a Malaysian politician and a member of the Democratic Action Party (DAP).
He is the Penang State Executive Councillor for Public Works, Utilities and Flood Mitigation.
He was elected as the State Assemblyman for Tanjong Bunga, Penang in the 2018 Penang State Election.
Prior to that, he was the Member of Parliament for Bukit Bendera, Penang from 2013 to 2018, during which he was also the DAP Parliamentary Spokesperson for Education, Science and Technology.
He is the son of Khir Johari, a former Cabinet minister.
In December 2018, Zairil married lawyer and political activist Dyana Sofya Mohd Daud.