Cognomen מוסי (Mussie 
, Mossi 
, Mussi 
) , throughout the world, is a common surname. The last name מוסי is habitual in Paraguay, where it is quite a common surname, Italy, where it is quite a rare surname, and Ethiopia. Measured by absolute frequency, the name is most common in Ethiopia, Brazil, and Italy. Also, מוסי is the forename as well as the last name.