Family name Entfellner-Koch (Entfellner-Koch 
) , around the world, is an extremely rare last name. The last name Entfellner-Koch 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 Entfellner, and a last name Koch.
| VARIANT | COUNTRY |
|---|---|
| Entfellner-Koch | Germany |