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