Cognomen Petrishko (Petrishko 
, Петришко 
) , worldwide, is a rare surname. The last name Petrishko is habitual in Ukraine, where it is a rare surname, Kyrgyzstan, where it is a very rare surname, and Kazakhstan. Measured by absolute frequency, it is the most numerous in Ukraine, Russia, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Petrishko | Ukraine, United States, South Africa |
| Петришко | Kazakhstan, Russia, Kyrgyzstan, Ukraine |
| maxim petrishko (b. 1987) |
|