Last name Cocko (Cocko 
) , around the globe, is a very rare cognomen. The last name Cocko is characteristic of Australia, where it is a very rare surname, Argentina, and Turkey, where it is an extremely rare surname. Very seldom, Cocko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cocko | Turkey, Australia, United Kingdom, Argentina |