Surname Tchetchko (Чечко 
, Tchetchko 
) , all around the world, is quite a rare last name. The family name Tchetchko is habitual in Belarus, where it is quite a rare surname, Ukraine, and Kazakhstan, where it is a rare surname. Not in comparison with a country's population, it is commonest in Eastern Europe, particularly Ukraine, Belarus, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Чечко | Ukraine, Belarus, Kazakhstan, Russia |
| Tchetchko | United States |