Last name Кучынски (Кучынски 
, Kuchynski 
) , around the globe, is a rare surname. The surname Кучынски is habitual in Latvia, where it is quite a rare surname, Belarus, where it is a rare surname, and Lithuania. In absolute terms, it most frequently occurs in Belarus, the United States, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Кучынски | Russia |
| Kuchynski | Belarus, Poland, Latvia, Canada, United States |