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