| Honorific-Prefix: | Yang Berhormat |
| Joseph Chieng Jin Ek | |
| Honorific-Suffix: | MLA |
| Native Name Lang: | zh-my |
| Term Start3: | 18 December 2021 |
| Predecessor3: | Irene Chang Oi Ling (PH–DAP) |
| Majority3: | 874 (2021) |
| Assembly3: | Sarawak State Legislative |
| Constituency Am3: | Bukit Assek |
| Citizenship: | Malaysian |
| Birth Name: | Chieng Jin Ek |
| Birth Date: | 1975 2, df=yes |
| Birth Place: | Sibu, Sarawak, Malaysia |
| Party: | Sarawak United Peoples' Party (SUPP) |
| Occupation: | Politician |
| Alma Mater: | University of New South Wales |
Joseph Chieng Jin Ek (; born 17 February 1975) is a Malaysian politician who has served as Member of the Sarawak State Legislative Assembly (MLA) for Bukit Assek since December 2021.[1] He is also a member of the Sarawak United Peoples' Party (SUPP), a component party of the ruling Gabungan Parti Sarawak (GPS) coalition in Sarawak.[2]
| Constituency | candidate | Votes | Pct | Opponent(s) | Votes | Pct | Ballots cast | Majority | Turnout | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | N51 Bukit Assek, P211 Lanang | (SUPP) | 4,684 | 34.94% | Irene Chang Oi Ling (DAP) | 3,810 | 28.42% | 13,404 | 874 | TBA | ||
| Priscilla Lau (PBK) | 2,598 | 19.38% | ||||||||||
| Ting Kee Nguan (PSB) | 1,790 | 13.35% | ||||||||||
| Hii Tiong Huat (IND) | 313 | 2.34% | ||||||||||
| Jess Lau (ASPIRASI) | 209 | 1.56% | ||||||||||