Throughout the world, Müller-Müll (Müller-Müll 
) is an extremely rare unknown gender first name. Much more prevalently, Müller-Müll is the last name as well as the forename. Parts of the name also exists independently as a last name Müller, and a last name Müll.
| VARIANT | COUNTRY |
|---|---|
| Müller-Müll | Germany |