Family name Šunko (Šunko 
, Шунко 
) , worldwide, is a very rare last name. The family name Šunko is habitual in Croatia, where it is a rare surname, Kyrgyzstan, where it is a very rare surname, and Russia. Measured by absolute frequency, it is the most numerous in Russia, Croatia, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Šunko | Croatia |
| Шунко | Kazakhstan, Kyrgyzstan, Russia |