Worldwide, 根嘉成 (根嘉成 
) is a very rare male first name. The forename 根嘉成 is characteristic of Eastern Asia, particularly China, where it is an extremely rare masculine name. Much less frequently, 根嘉成 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 根嘉成 | China |