Cognomen Заянковский (Заянковский 
) , in the world, is a very rare family name. The cognomen Заянковский is characteristic of Belarus, where it is a rare surname, Kazakhstan, where it is a very rare surname, and Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Заянковский | Belarus, Russia, Kazakhstan |
Zajankovskij, and Zayankovsky