Leong Cheok Keng is a Malaysian politician who has served as Member of the Perak State Legislative Assembly for Malim Nawar from May 2013 until November 2022. Currently he is a member of WARISAN, which he joined on 3 November 2022. He was a member of the Democratic Action Party (DAP), a component party of the formerly Pakatan Rakyat (PR) and presently Pakatan Harapan (PH) opposition coalitions. He was also, for a brief period, a member of the Parti Bangsa Malaysia (PBM), a party aligned with the ruling Barisan Nasional (BN) coalition.