William Leong Jee Keen is a Malaysian politician and lawyer who has served as the Member of Parliament (MP) for Selayang since March 2008 and Chairman of the Major Public Appointments Select Committee since December 2018. He is a member of the People's Justice Party (PKR), a component party of the Pakatan Harapan (PH) and formerly Pakatan Rakyat (PR) coalitions. He has also served as the Treasurer-General of PKR since July 2022.