Family name Svadkovskii (Svadkovskii 
, Свадковский 
) , around the world, is a rare last name. The surname Svadkovskii is habitual in Belarus, where it is quite a rare surname, Russia, where it is a rare surname, and Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Svadkovskii | Russia, Belarus |
| Свадковский | Kazakhstan, Russia, Belarus |