Toto Mui Siu-wai (born April 17, 1966) is a Hong Kong actress and television host associated with Television Broadcasts Limited.
Her notable roles include Sek Mei in Virtues of Harmony[1] and Loose Head Zhi in Justice of Life.
Her older sister is TVB producer, Mui Siu-ching.
In the mid-nineties, Mui had a long-term relationship with fellow TVB actor Savio Tsang.
After 13 years together, the couple broke up in 1999.