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