Last name Korchak (Корчак 
, Korchak 
, Корчик 
) , throughout the world, is quite a common family name. The family name Korchak is characteristic of Eastern Europe, particularly Ukraine, where it is quite a rare surname, Belarus, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Корчак | Ukraine, Kazakhstan, Belarus, Russia, Kyrgyzstan |
| Korchak | Canada, France, Brazil, Russia, United States |
| Корчик | Romania, Ukraine, Kazakhstan, Belarus, Russia |
| anna korchak Ukrainian Righteous Among the Nations, UA (b. 1925) |
|
|
| bud korchak Canadian football player (1927-2010), CA (b. 1927) |
|
|
| tatyana korchak Ukrainian association football player, UA |
|