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