Cognomen หมุ่ย (Mui 
, หมุ่ย) , worldwide, is a common last name. The cognomen หมุ่ย is habitual in Macao, where it is quite a common surname, Malaysia, and Hong Kong (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in Malaysia, Hong Kong, and the United States. Likewise, หมุ่ย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mui | Malaysia, Taiwan, China, United States, Hong Kong |