| Lin Yu-chang | |
| Order1: | 22nd |
| Office1: | Secretary-General of the Democratic Progressive Party |
| Term Start1: | 5 June 2024 |
| 1Blankname1: | Chairman |
| 1Namedata1: | William Lai |
| Predecessor1: | Yang Yi-shan (acting) Hsu Li-ming |
| Office2: | 34th Minister of the Interior |
| Primeminister2: | Chen Chien-jen |
| Term Start2: | 31 January 2023 |
| Term End2: | 20 May 2024 |
| Successor2: | Liu Shyh-fang |
| Order3: | 10th |
| Office3: | Mayor of Keelung |
| Term Start3: | 25 December 2014 |
| Term End3: | 25 December 2022 |
| Deputy3: | Lin Yong-fa[1] |
| Predecessor3: | Chang Tong-rong |
| Successor3: | George Hsieh |
| Office4: | Chair of the Democratic Progressive Party |
| Term Label4: | Acting |
| Term Start4: | 28 November 2018 |
| 1Blankname4: | Secretary General |
| 1Namedata4: | Hsu Chia-ching |
| Term End4: | 9 January 2019 |
| Predecessor4: | Tsai Ing-wen |
| Successor4: | Cho Jung-tai[2] |
| Birth Place: | Ren'ai, Keelung, Taiwan |
| Nationality: | Taiwan |
| Party: | Democratic Progressive Party |
| Education: | Chinese Culture University (BS) National Taiwan University (MS) |
Lin Yu-chang (; born 10 March 1971) is a Taiwanese politician who is the Secretary-General of the Democratic Progressive Party since June 2024. Previously, he served as the Minister of the Interior from January 2023 to May 2024, Mayor of Keelung City from December 2014 to December 2022, and he also shortly served as the acting Chairman of the Democratic Progressive Party from November 2018 to January 2019.
Lin did his bachelor's degree in landscape architecture from Chinese Culture University and master's degree in building and planning from National Taiwan University.[3]
Lin was elected as the Mayor of Keelung City after winning the 2014 Keelung City mayoral election held on 29 November 2014.
| 2014 Keelung City Mayoralty Election Result | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| width=35 | No. | width=180 | Candidate | width=120 | Party | width=75 | Votes | width=75 | Percentage | width=49 | |
| 1 | Hsieh Li-kung (謝立功) | KMT | 52,198 | 27.47% | |||||||
| 2 | Huang Ching-tai (黃景泰) | Independent | 30,914 | 16.27% | |||||||
| 3 | Lin Yu-chang | DPP | 101,010 | 53.15% | |||||||
| 4 | Ho Yen-tang (何燕堂) | People's Democratic Front | 1,376 | 0.72% | |||||||
| 5 | Wu Woo-min (吳武明) | Independent | 2,023 | 1.06% | |||||||
| 6 | Jiang Jian-yu (江鑒育) | Independent | 2,517 | 1.32% | |||||||
| 2018 Democratic Progressive Party Keelung City mayoral primary results | |||||
|---|---|---|---|---|---|
| width=80 | Candidates | width=80 | Place | width=80 | Result |
| Lin Yu-chang | Walkover | ||||
| 2018 Keelung City mayoral results[4] | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| width=35 | No. | width=150 | Candidate | width=120 | Party | width=75 | Votes | width=75 | Percentage | width=49 | |
| 1 | Hsieh Li-kung (謝立功) | Kuomintang | 86,529 | 45.86% | |||||||
| 2 | Lin Yu-chang | Democratic Progressive Party | 102,167 | 54.14% | |||||||
| Total voters | 309,428 | ||||||||||
| Valid votes | 188,696 | ||||||||||
| Invalid votes | |||||||||||
| Voter turnout | 60.98% | ||||||||||
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