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