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