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