Last name Муся-Лейва (Муся-Лейва 
) , all around the world, is an extremely rare cognomen. Much more frequently, Муся-Лейва is the forename as well as the last name. Parts of the name also exists independently as a first name Муся, and a last name Лейва.
| VARIANT | COUNTRY |
|---|---|
| Муся-Лейва | Russia |