Last name Brettnacher-Wascher (Brettnacher-Wascher 
) , around the globe, is an extremely rare family name. The family name Brettnacher-Wascher 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 Brettnacher, and a last name Wascher.
| VARIANT | COUNTRY |
|---|---|
| Brettnacher-Wascher | Germany |