Last name Seids-Ortner (Seids-Ortner 
) , worldwide, is an extremely rare surname. The family name Seids-Ortner is habitual in Western Europe, particularly Germany, where it is an extremely rare surname. Parts of the name also exists independently as a last name Seids, and a last name Ortner.
| VARIANT | COUNTRY |
|---|---|
| Seids-Ortner | Germany |