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