Surname Mousko (Mousko 
, Муско 
) , in the world, is a very rare last name. The cognomen Mousko is characteristic of Morocco, where it is a very rare surname, Ukraine, and Russia. Very seldom, Mousko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mousko | France, United States, Morocco |
| Муско | Russia, Ukraine |