Last name Patsaj (Patsaj 
, Пацай 
) , around the globe, is a rare family name. The family name Patsaj is characteristic of Belarus, where it is quite a rare surname, Ukraine, and Kazakhstan, where it is a rare surname. Measured by absolute frequency, it is commonest in Eastern Europe, particularly Ukraine, Belarus, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Patsaj | Belarus |
| Пацай | Russia, Kazakhstan, Ukraine, Belarus |