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