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