Last name Kasljevic (Kasljevic 
) , in all the world, is a very rare family name. The family name Kasljevic is habitual in Sweden, where it is a rare surname, Denmark, where it is a very rare surname, and Croatia. Not in comparison with a country's population, it most frequently occurs in Sweden, Denmark, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Kasljevic | Denmark, Croatia, United States, Sweden |