Family name Piatrouskaya (Piatrouskaya 
) , all over the world, is a very rare last name. The family name Piatrouskaya is habitual in Belarus, where it is a rare surname, Spain, where it is a very rare surname, and Russia, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in Belarus, Spain, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Piatrouskaya | Belarus, Spain, Russia, United States |
|
katsiaryna piatrouskaya Belarusian bicycle racer, BY (b. 1995) |
|