Cognomen Martynovsky (Мартыновский 
, Martynovsky 
) , across the world, is quite a rare last name. The family name Martynovsky is characteristic of Azerbaijan, where it is quite a rare surname, Belarus, where it is a rare surname, and Poland. In absolute terms, it is the most numerous in Russia, Poland, and Azerbaijan.
| VARIANT | COUNTRY |
|---|---|
| Мартыновский | Belarus, Poland, Azerbaijan, Russia, Kazakhstan |
| Martynovsky | United States |