Around the world, Петруна (Петруна 
, Petruna 
) is quite a rare female given name. The forename Петруна is habitual in Eastern Europe, particularly Bulgaria, where it is quite a common female name, Czechia, where it is a rare feminine name, and Romania. Also, Петруна is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Петруна | Russia, Bulgaria, Ukraine |
| Petruna | Bulgaria, Romania, United States, North Macedonia, Slovakia |