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