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