Family name Petresku (Petresku 
) , worldwide, is a very rare surname. The last name Petresku is habitual in Bulgaria, where it is a rare surname, Georgia, where it is a very rare surname, and Poland. In absolute terms, it is the most numerous in Bulgaria, Poland, and the United States. Likewise, Petresku is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Petresku | Romania, Georgia, Bulgaria, United States, Poland |