Family name Müller-Müll (Müller-Müll 
) , throughout the world, is an extremely rare surname. The cognomen Müller-Müll is characteristic of Western Europe, particularly Germany, where it is an extremely rare surname. Parts of the name also exists independently as a last name Müller, and a last name Müll.
| VARIANT | COUNTRY |
|---|---|
| Müller-Müll | Germany |