Last name Belyakovskii (Belyakovskii 
, Беляковский 
) , in all the world, is a rare family name. The family name Belyakovskii is habitual in Eastern Europe, particularly Belarus, where it is quite a rare surname, Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Belyakovskii | Russia, Belarus |
| Беляковский | Russia, Ukraine, Belarus |