Cognomen 宇蓝 (宇蓝 
) , globally, is a very rare surname. The last name 宇蓝 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More frequently, 宇蓝 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 宇蓝 | China |