Cognomen 蕙贞 (蕙贞 
) , in the entire world, is a very rare surname. The family name 蕙贞 is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. More frequently, 蕙贞 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 蕙贞 | China |