Surname Trsic (Trsic 
) , across the world, is a rare cognomen. The surname Trsic is habitual in Southern Europe, particularly Serbia, where it is quite a rare surname, Greece, where it is a very rare surname, and Croatia. Measured by absolute frequency, it is the most numerous in Serbia, the United States, and Greece.
| VARIANT | COUNTRY |
|---|---|
| Trsic | Serbia, Brazil, Greece, Chile, United States |