Cognomen Seipen (Seipen 
) , across the world, is a very rare surname. The last name Seipen is habitual in Western Europe, particularly Germany, where it is a very rare surname, and France, where it is an extremely rare surname. Very seldom, Seipen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Seipen | Germany, India, France |