Family name Barthlen-Weis (Barthlen-Weis 
) , globally, is an extremely rare surname. The cognomen Barthlen-Weis 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 Barthlen, and a last name Weis.
| VARIANT | COUNTRY |
|---|---|
| Barthlen-Weis | Germany |