Cognomen Seppmann (Seppmann 
) , across the world, is a rare last name. The family name Seppmann is habitual in Germany, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Seppmann | Germany, United States |
| werner seppmann German writer and sociologist, DE (b. 1950) |
|