Surname Opasic (Opasic 
) , in the entire world, is a very rare last name. The family name Opasic is habitual in Argentina, where it is a very rare surname, Croatia, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Opasic | Argentina, Croatia, United States |
| luka opasic researcher (ORCID 0000-0001-7595-1722) |
|