Cognomen Šimunčić (Šimunčić 
) , in the world, is a rare last name. The last name Šimunčić is habitual in Southern Europe, particularly Croatia, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Šimunčić | Croatia |
| igor šimunčić Croatian volleyball coach, HR (b. 1973) |
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| ida šimunčić Croatian athletics competitor, HR (b. 1996) |
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Ana, Mladen, Katica, Daniel, Dajana, Tihana, Nikola, Franjo, Zlatko, Martina, Mihaela, Stjepan, Božica, Dorijan, Dragica, Gordana, Željkica, Miroslav, Danijela, Dubravka, Gospodin, Vladimir, Mateja, Štefica, Matija, Marica, Ema, Maja, Anja, Nada, Ivan, Mario, Marko, Matea, Silva, Paula, Dario, Goran, Josip, Tibor, Neven, Vlado, Frano, Filip, Ivana, Ivica, Đuro, Marija, and Krunoslav