Last name 贞蔚 (贞蔚 
) , globally, is a very rare family name. The family name 贞蔚 is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 贞蔚 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 贞蔚 | China |