Family name Koleros (Koleros 
) , around the globe, is a very rare cognomen. The surname Koleros is habitual in Greece, where it is a rare surname, Canada, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Koleros is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koleros | Greece, United States, Canada, Philippines |