Cognomen 姚瑾 (姚瑾 
) , around the globe, is a very rare family name. The last name 姚瑾 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 姚瑾 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 姚瑾 | China |