Lee Kun-tse (; born 29 April 1964) is a Taiwanese politician currently serving as a member of the Legislative Yuan. He is a member belong of the New Tide faction of the Democratic Progressive Party (DPP). He has served five terms in the Legislative Yuan and one term in the Kaohsiung City Council as a councilor. He is a former member of the Central Standing Committee of the DPP.
Lee graduated from National Sun Yat-sen University with a bachelor's degree and a master's degree in political science. He then earned a Ph.D. in international business from the National Kaohsiung University of Science and Technology.
From 2002 to 2005, Lee was a councilor of Kaohsiung City Council. Since 2020, he has been a member of the Legislative Yuan.
Lee was named an Outstanding Legislator by Citizens' Congressional Watch for 22 consecutive terms.