Family name Dubuk (Dubuk 
, Дубук 
) , around the globe, is a rare last name. The surname Dubuk is characteristic of Ukraine, where it is a rare surname, Belarus, and Kazakhstan. In absolute terms, this name is the most popular in Ukraine, Russia, and Kazakhstan. Much less frequently, Dubuk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dubuk | Canada, Argentina, United States, India, Israel |
| Дубук | Russia, Belarus, Ukraine, Kazakhstan |