Family name Deneko (Deneko 
) , in the entire world, is a very rare cognomen. The surname Deneko is characteristic of Greece, where it is a rare surname, Poland, where it is a very rare surname, and Georgia. Not in comparison with a country's population, this name is the most popular in Poland, Greece, and Russia. Likewise, Deneko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Deneko | Greece, Canada, Poland, United States, Russia |