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