Family name Kotkovskii (Kotkovskii 
, Котковский 
) , in the entire world, is a rare last name. The family name Kotkovskii is habitual in Belarus, where it is quite a rare surname, Russia, where it is a very rare surname, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Kotkovskii | Russia |
| Котковский | Kazakhstan, Russia, Ukraine, Belarus |