Cognomen Jonassi (Jonassi 
) , in the entire world, is a very rare family name. The family name Jonassi is habitual in Tanzania, where it is a very rare surname, and Mexico, where it is an extremely rare surname. Much less frequently, Jonassi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jonassi | Tanzania, India, Brazil, Mexico |
Zacharia, and Scolastika