Last name Пий (Pius 
, Piyu 
, Piy 
) , across the world, is a widespread cognomen. The last name Пий is habitual in Sub-Saharan Africa, particularly Tanzania, where it is quite a common surname, Nigeria, and Namibia (explore the name in all countries). Measured by absolute frequency, it is commonest in Sub-Saharan Africa, particularly Nigeria, Tanzania, and Uganda. Also, Пий is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pius | Kenya, Ghana, Nigeria, Tanzania, India |
| Piyu | Indonesia, Malaysia, Taiwan, United States, India |
| Piy | Indonesia, Malaysia, United States, India, Myanmar |
| Пий | Kyrgyzstan, Kazakhstan, Ukraine |