Cognomen Koltek (Koltek 
) , all over the world, is a very rare last name. The surname Koltek is characteristic of Canada, where it is a rare surname, Poland, where it is a very rare surname, and the United States, where it is an extremely rare surname. More frequently, Koltek is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koltek | Canada, India, Poland, United States, United Kingdom |