Cognomen 子鱼 (子鱼 
) , throughout the world, is a very rare family name. The last name 子鱼 is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. Much more prevalently, 子鱼 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 子鱼 | China |