Cognomen Musaus (Musaus 
) , around the world, is a very rare last name. The cognomen Musaus is characteristic of Norway, where it is a very rare surname, South Africa, and the United States, where it is an extremely rare surname. Very seldom, Musaus is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Musaus | South Africa, Norway, United States, United Kingdom, Nigeria |