Last name Muzis (Muzis 
, Музис 
) , across the world, is a rare surname. The surname Muzis is characteristic of Latvia, where it is quite a rare surname, Russia, where it is a very rare surname, and Canada, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Latvia, Russia, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Muzis | Canada, Brazil, Latvia, United States, Germany |
| Музис | Russia |