| Chui Sai Cheong | |
| Native Name Lang: | zh-hant |
| Honorific-Suffix: | OMP |
| Office: | First Secretary of the Legislative Assembly of Macau |
| Term Start: | 15 October 2009 |
| Predecessor: | Leonel Alberto Alves |
| Office2: | Member of the Legislative Assembly |
| Constituency2: | Business (FC) |
| Term Start2: | 20 December 1999 |
| Nationality: | China |
| Birth Date: | 1954 2, df=y |
| Birth Place: | Macau |
Chui Sai Cheong (; born 19 February 1954 in Macau[1]) is a member and the First Secretary of the Legislative Assembly of Macau. He is the older brother of Fernando Chui the former Chief Executive of Macau and cousin of José Chui also a member of the Legislative Assembly.
| Year | Candidate | Hare quota | Mandate | List Votes | List Pct | |
|---|---|---|---|---|---|---|
| 1999 | (OMCY) | uncontested | FC - Professional | uncontested | ∅ | |
| 2001 | (OMCY) | uncontested | FC - Professional | uncontested | ∅ | |
| 2005 | (OMCY) | walkover | FC - Professional | walkover | ∅ | |
| 2009 | (OMCY) | walkover | FC - Professional | walkover | ∅ | |
| 2017 | (OMCY) | 170.5 | FC - Professional | 341 | 62.45% |