Family name Boutchko (Бучко 
, Boutchko 
) , all over the world, is quite a rare cognomen. The surname Boutchko is characteristic of Ukraine, where it is quite a rare surname, Belarus, and Kazakhstan, where it is a rare surname. Measured by absolute frequency, the name is most common in Eastern Europe, particularly Ukraine, Russia, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Бучко | Ukraine, Belarus, Russia, Kyrgyzstan, Kazakhstan |
| Boutchko | Canada, United States |