Lin Cheng-chieh
| Lin Cheng-chieh | |
|---|---|
| 林正杰 | |
| Member of the Legislative Yuan | |
| In office 1 February 1990 – 31 January 1996 | |
| Constituency | Taipei 2 | 
| Member of the Taipei City Council | |
| In office 25 December 1981 – September 1986 | |
| Personal details | |
| Born | 8 November 1952 Yunlin County, Taiwan | 
| Died | 3 June 2025 (aged 72) Taitung City, Taiwan | 
| Political party | Democratic Progressive Party (1986–1991) | 
| Education | Tunghai University (BA) National Chengchi University (MA) | 
Lin Cheng-chieh (Chinese: 林正杰; pinyin: Lín Zhèngjié; Pe̍h-ōe-jī: Lîm Chèng-kia̍t; 8 November 1952 – 3 June 2025) was a Taiwanese politician. A tangwai activist for Taiwan's democratization, he helped found the Democratic Progressive Party. After leaving the DPP in 1991, he began supporting Pan-Blue Coalition political endeavors.