In all the world, Thuỷ (Thuỷ 
) is a rare unisex given name. The first name Thuỷ is habitual in South-eastern Asia, particularly Vietnam, where it is a rare unisex name. More prevalently, Thuỷ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Thuỷ | Russia, Myanmar, Vietnam, Australia, United States |
| diệp quang thuỷ Vietnamese officer (1932-2013), VN (b. 1932) |
|