Born in Canada, Charlene Choi is a Chinese film and television actress and singer. She is a member of the Cantopop group Twins, along with Gillian Chung.
- Known For: Acting
- Birthday: 1982-11-22
- Place of Birth: Vancouver, British Columbia, Canada
- Also Known As: Charlene Choi Cheuk-Yin, 蔡卓妍, Charlene Choi Cheuk Yin, Clarene Choi, Cheuk-yin Choi, Cheuk Yin Choi, 채탁연, 阿Sa, Ah Sa, Cai Zhuoyan, Cai Zhuo-yan, Zhuoyan Cai