Family name Simonovicz (Simonovicz 
) , all around the world, is an extremely rare cognomen. The last name Simonovicz is habitual in Latin America and the Caribbean, particularly Brazil, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Simonovicz | Brazil |
| l.g. simonovicz botanist (b. 1926) |
|