Surname Zasedko (Заседко 
, Zasedko 
) , in the world, is a rare cognomen. The last name Zasedko is characteristic of Ukraine, where it is a rare surname, Russia, where it is a very rare surname, and Georgia. Measured by absolute frequency, it is the most numerous in Russia, Ukraine, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Заседко | Kazakhstan, Russia, Ukraine |
| Zasedko | Russia, Georgia |