Family name Petrechko (Petrechko 
) , in the entire world, is a very rare surname. The cognomen Petrechko is habitual in Spain, where it is a very rare surname, Israel, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Petrechko | Ukraine, Spain, Israel, United States |
| natalija vasylivna petrechko Ph.D. Ivan Franko National University of Lviv 2019 |
|