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