Family name Piontkovskii (Piontkovskii 
, Пионтковский 
) , all over the world, is a rare last name. The surname Piontkovskii is characteristic of Russia, where it is a rare surname, Kazakhstan, and Belarus, where it is a very rare surname. In absolute terms, this name is the most popular in Russia, Ukraine, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Piontkovskii | Russia |
| Пионтковский | Kazakhstan, Russia, Ukraine, Belarus |