Family name Kostiushko (Костюшко 
, Kostiushko 
) , worldwide, is quite a rare cognomen. The family name Kostiushko is characteristic of Eastern Europe, particularly Belarus, where it is quite a rare surname, Ukraine, and Russia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Костюшко | Ukraine, Belarus, Kazakhstan, Russia |
| Kostiushko | Ukraine, United States, Thailand |
| aleksandr kostiushko Ukrainian Righteous Among the Nations, UA (b. 1893) |
|
|
| maria kostiushko Ukrainian Righteous Among the Nations, UA (b. 1897) |
|
|
| piotr kostiushko Ukrainian Righteous Among the Nations, UA (b. 1929) |
|