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Last name Kocko (Kocko
, Коцко
, Коцько
) , in all the world, is a rare surname. The surname Kocko is habitual in Eastern Europe, particularly Ukraine, where it is quite a rare surname, Belarus, and Czechia, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Eastern Europe, particularly Ukraine, Russia, and Belarus. Very seldom, Kocko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kocko | United Kingdom, United States, Czechia, Poland, Brazil |
| Коцко | Ukraine, Russia, Belarus, Kazakhstan |
| Коцько | Ukraine, Russia |