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