Surname Капустиан (Капустиан 
, Kapustian 
, Kapustyan 
) , throughout the world, is a rare family name. The cognomen Капустиан is habitual in Slovakia, where it is a rare surname, Czechia, and Israel. Not in comparison with a country's population, it is the most numerous in Eastern Europe, particularly Czechia, Russia, and Slovakia.
| VARIANT | COUNTRY |
|---|---|
| Капустиан | Russia |
| Kapustian | Germany, Russia, Ukraine, Georgia |
| Kapustyan | Germany, Russia, Czechia, Israel, Slovakia |