Around the globe, 惟唯 (惟唯 
) is a very rare epicene first name. The given name 惟唯 is habitual in Eastern Asia, particularly China, where it is an extremely rare unisex name. Much less frequently, 惟唯 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 惟唯 | China |