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