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