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