Family name Масси (Massi 
, Massee 
, Масси 
) , in all the world, is a common cognomen. The surname Масси is characteristic of Algeria, where it is quite a common surname, Italy, where it is quite a rare surname, and Bolivia. Measured by absolute frequency, it is commonest in Pakistan, Algeria, and Italy. Likewise, Масси is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Massi | Brazil, Algeria, United States, Pakistan, Italy |
| Massee | Brazil, France, India, United States, Pakistan |
| Масси | Russia |