Cognomen Piestrak (Piestrak 
, Пестрак 
) , throughout the world, is a rare last name. The surname Piestrak is habitual in Eastern Europe, particularly Belarus, where it is a rare surname, Poland, and Ukraine. Measured by absolute frequency, this name is the most popular in Poland, the United States, and Ukraine. Likewise, Piestrak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Piestrak | Germany, United States, Poland, Argentina, Greece |
| Пестрак | Russia, Ukraine, Belarus |
| feliks piestrak PL (b. 1868) |
|
|
|
marek piestrak film director (*1938), PL (b. 1938) |
|
| janina piestrak-babijczuk Polish surgeon, local politician, activist, PL (b. 1944) |
|