Worldwide, 癸鑫 (癸鑫 
) is a very rare masculine given name. The given name 癸鑫 is habitual in Eastern Asia, particularly China, where it is an extremely rare boy's name. Much less frequently, 癸鑫 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 癸鑫 | China |