Surname Mustach (Mustach 
) , all around the world, is a very rare last name. The family name Mustach is characteristic of Argentina, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Mustach is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mustach | Argentina, India, United States |