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 | Poland, Morocco, Bosnia and Herzegovina, Philippines, Algeria |
| Izco | Germany, Spain, United States, Argentina, France |
| Иско | Kyrgyzstan, Kazakhstan, Russia, Bulgaria |