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