Sherry Tsai (Chinese: ???; Jyutping: coi3 hiu2 wai6; born 4 September 1983) is a retired swimmer from Hong Kong.
She competed at the 2000, 2004 and 2008 Olympics in the 50 m freestyle, 100 m and 200 m backstroke, and 200 m individual medley (six events in total), with the best achievement of 28th place.
She attended and swam for the University of California, Berkeley in the USA.She won Hong Kong's Best Swimmer Award 4 years-in-a-row (1998–2001), and at one time held 14 Hong Kong Records.
At the 2004 Olympics, she was Hong Kong's flagbearer for the Opening Ceremony.She has swum for Hong Kong at:
Olympics: 2000, 2004, 2008
World Championships: 1998, 2003, 2007, 2009
Asian Games: 1998, 2002, 2006
Asian Indoor Games: 2007, 2009
Asian Swimming Championships: 2009
East Asian Games: 2001, 2009
World University Games: 2003, 2005