Hung Mong-kai (; born 1 January 1983) is a Taiwanese politician who sits in the Legislative Yuan, representing the New Taipei City Constituency I.
Hung graduated from National Taiwan University with a bachelor's degree and a master's degree in political science and earned a Master of Public Policy (M.P.A.) from the University of Southern California. He also competed a Master of Business Administration (M.B.A.) at Yuan Ze University.