Cognomen Müller-Fabian (Müller-Fabian 
) , in the entire world, is a very rare surname. The cognomen Müller-Fabian is habitual in Western Europe, particularly Germany, where it is a very rare surname. Parts of the name also exists independently as a last name Müller, and a first name Fabian.
| VARIANT | COUNTRY |
|---|---|
| Müller-Fabian | Germany |