Cognomen Weis-Koeniger (Weis-Koeniger 
) , worldwide, is an extremely rare family name. The last name Weis-Koeniger 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 Weis, and a last name Koeniger.
| VARIANT | COUNTRY |
|---|---|
| Weis-Koeniger | Germany |