Family name Serednitskii (Serednitskii 
, Середницкий 
) , worldwide, is a rare last name. The surname Serednitskii is characteristic of Russia, where it is a very rare surname, Kazakhstan, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Serednitskii | Russia |
| Середницкий | Kazakhstan, Russia, Ukraine |
Середнитский, and Середницький