Family name شوي (Shwe 
, Shoi 
, Shui 
) , in all the world, is a widespread last name. The last name شوي is habitual in Mongolia, where it is a widespread surname, Myanmar, where it is a common surname, and Malaysia, where it is quite a common surname. Measured by absolute frequency, it is commonest in Myanmar, China, and Mongolia. More frequently, شوي is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Shwe | Japan, China, Malaysia, Myanmar, Mongolia |
| Shoi | Japan, China, Malaysia, United States, India |
| Shui | Japan, China, Indonesia, Malaysia, Myanmar |
| شوي | Saudi Arabia, Sudan, Algeria, Morocco, Syria |