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