Surname Буин (Buin 
, Buyn 
, Буин 
) , in the world, is a rare family name. The surname Буин is characteristic of Norway, where it is a rare surname, Malaysia, and Belarus. Not in comparison with a country's population, it is commonest in Malaysia, France, and Brazil. Very seldom, Буин is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Buin | Italy, Malaysia, India, France, Brazil |
| Buyn | United Kingdom, Vietnam, Malaysia, United States, Netherlands |
| Буин | Kazakhstan, Russia, Belarus |
|
десимир жижовић буин RS (b. 1920) |
|