Surname מסארי (Massari 
, מסארי 
) , in all the world, is a common cognomen. The cognomen מסארי is habitual in San Marino, where it is quite a common surname, Italy, and Kuwait, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in Italy, Brazil, and the United States. Very seldom, מסארי is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Massari | Brazil, Italy, Argentina, United States, Morocco |
| מסארי | Israel |