Around the world, Ерсой (Ersoy 
, Ерсой 
, Ersoj 
) is quite a common boy's given name. The first name Ерсой is characteristic of Turkey, where it is quite a common masculine name, North Macedonia, where it is a rare boy's name, and Bulgaria. Measured by absolute frequency, it most frequently occurs in Turkey, Germany, and the United Kingdom. More frequently, Ерсой is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ersoy | Austria, Germany, Bulgaria, United States, Turkey |
| Ерсой | Belarus, Russia, Ukraine, Kazakhstan |
| Ersoj | North Macedonia |