Family name 孙纯 (孙纯 
) , all around the world, is a very rare surname. The cognomen 孙纯 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 孙纯 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 孙纯 | China |