Cognomen 鸣宇 (鸣宇 
) , worldwide, is quite a rare last name. The last name 鸣宇 is characteristic of Eastern Asia, particularly China, where it is a rare surname. More prevalently, 鸣宇 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 鸣宇 | China |