In the entire world, 毓贞 (毓贞 
) is a rare unisex forename. The given name 毓贞 is habitual in Eastern Asia, particularly China, where it is an extremely rare epicene name. Very seldom, 毓贞 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 毓贞 | China |