Cognomen Kolasin (Kolasin 
) , in the world, is a very rare surname. The last name Kolasin is characteristic of Montenegro, where it is quite a rare surname, Czechia, where it is a rare surname, and Turkey, where it is an extremely rare surname. Much less frequently, Kolasin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kolasin | Czechia, Turkey, India, Montenegro |