Surname פטרסקו (Petrescu 
, פטרסקו 
) , in all the world, is a common cognomen. The cognomen פטרסקו is characteristic of Romania, where it is a common surname, Finland, where it is a rare surname, and Afghanistan. Measured by absolute frequency, it most frequently occurs in Romania, Italy, and Afghanistan. Much less frequently, פטרסקו is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Petrescu | Afghanistan, Italy, Spain, United States, Romania |
| פטרסקו | Israel |