Family name Petelskii (Petelskii 
, Петельский 
) , throughout the world, is a very rare cognomen. The surname Petelskii is characteristic of Belarus, where it is a very rare surname, Kazakhstan, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Petelskii | Russia |
| Петельский | Kazakhstan, Russia, Belarus |
Петелский, and Петельський