Family name מסטי (Masetti 
, מסטי 
) , all around the world, is quite a common surname. The family name מסטי is habitual in Italy, where it is quite a rare surname, Uruguay, where it is a rare surname, and Argentina. Measured by absolute frequency, the name is most common in Italy, India, and Brazil. Much less frequently, מסטי is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Masetti | Argentina, India, France, Brazil, Italy |
| מסטי | Israel |