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