Family name Sirotinskii (Sirotinskii 
, Сиротинский 
) , in the entire world, is a rare cognomen. The surname Sirotinskii is habitual in Russia, where it is a rare surname, Belarus, where it is a very rare surname, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Sirotinskii | Russia |
| Сиротинский | Kazakhstan, Russia, Ukraine, Belarus |