Family name 济瑜 (济瑜 
) , all over the world, is a very rare cognomen. The family name 济瑜 is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 济瑜 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 济瑜 | China |