Family name Sushinskii (Sushinskii 
, Сушинский 
) , worldwide, is a rare surname. The cognomen Sushinskii is characteristic of Belarus, where it is quite a rare surname, Russia, where it is a rare surname, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Sushinskii | Belarus, Russia |
| Сушинский | Kyrgyzstan, Russia, Belarus, Kazakhstan, Ukraine |
Сушинський, Сушинській, and Сущінскій