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 | Russia, Armenia, Bulgaria, Ukraine |
| Petka | Poland, Bulgaria, United States, Slovakia, Hungary |
| Paraskevo | South Africa, United States, Greece |