Globally, Петка (Петка 
, Petka 
, Paraskevo 
) is quite a rare female first name. The first name Петка is habitual in Bulgaria, where it is quite a common female name, Greece, where it is quite a rare girly name, and Slovakia. Also, Петка is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Петка | Bulgaria, Ukraine, Russia, Armenia |
| Petka | Slovakia, Bulgaria, United States, Hungary, Poland |
| Paraskevo | South Africa, Greece, United States |