Cheng Li-wun (Chinese: 鄭麗文; pinyin: Zhèng Lìwén; born November 12, 1969) is a Taiwanese politician and lawyer. A member of the Kuomintang (KMT), she has been the party's chairperson since November 2025. She is the second woman to hold the position, after Hung Hsiu-chu. From 1996 to 2000, Cheng represented Taipei in the National Assembly as a member of the Democratic Progressive Party (DPP). She resigned from the party in 2002, joined the Kuomintang in 2005, and was elected to the Legislative Yuan for the first time in 2008. She was elected chair of the KMT in the 2025 Kuomintang chairmanship election.