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