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