Cognomen Dehnen-Vahle (Dehnen-Vahle 
) , throughout the world, is an extremely rare family name. The cognomen Dehnen-Vahle 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 Dehnen, and a last name Vahle.
| VARIANT | COUNTRY |
|---|---|
| Dehnen-Vahle | Germany |