Last name Полий (Poly 
, Poliy 
, Polii 
) , in the entire world, is a common family name. The family name Полий is characteristic of Bangladesh, where it is quite a rare surname, Indonesia, and Ireland. In absolute terms, it is the most numerous in Bangladesh, Indonesia, and France. Likewise, Полий is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Poly | France, Taiwan, India, Bangladesh, Indonesia |
| Poliy | Malaysia, Israel, India, United States, Indonesia |
| Polii | Brazil, Malaysia, France, United States, Indonesia |
| Полий | Russia, Ukraine, Kazakhstan, Kyrgyzstan |