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