Family name Sismanovic (Sismanovic 
) , worldwide, is a very rare surname. The cognomen Sismanovic is characteristic of Serbia, where it is a rare surname, Croatia, where it is a very rare surname, and Australia. Much less frequently, Sismanovic is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sismanovic | Serbia, Canada, Australia, United States, Croatia |