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