Family name Иско (Isko 
, Izco 
, Иско 
) , in the world, is quite a rare surname. The cognomen Иско is characteristic of Morocco, where it is quite a rare surname, Algeria, where it is a rare surname, and Spain. Also, Иско is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Isko | Philippines, Poland, Algeria, Morocco, Bosnia and Herzegovina |
| Izco | Spain, Argentina, France, United States, Germany |
| Иско | Kazakhstan, Russia, Bulgaria, Kyrgyzstan |