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