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 | Kazakhstan, Russia, Ukraine, Belarus |
| Kostiushko | United States, Thailand, Ukraine |
| aleksandr kostiushko Ukrainian Righteous Among the Nations, UA (b. 1893) |
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| maria kostiushko Ukrainian Righteous Among the Nations, UA (b. 1897) |
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| piotr kostiushko Ukrainian Righteous Among the Nations, UA (b. 1929) |
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