Family name Koluzs (Koluzs 
) , around the world, is a very rare surname. The cognomen Koluzs is characteristic of Northern Europe, particularly Latvia, where it is quite a rare surname, Norway, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Koluzs | Norway, United Kingdom, Latvia, Canada |