Prof. Dato Sri Dr. Sim Kui Hian (; born 18 August 1965) is a Malaysian politician and cardiologist who is serving as the Deputy Premier of Sarawak and the territory's Minister of Public Health, Housing and Local Government Sarawak in the Gabungan Parti Sarawak (GPS) administration under Premier Abang Abdul Rahman Johari Abang Openg since January 2022, as well as an elected representative for the constituency of N14 Batu Kawah in the Sarawak State Legislative Assembly (DUN) since May 2016.
