Around the globe, Kozei (Kozei 
, Козей 
) is quite a common male forename. The first name Kozei is habitual in Eastern Asia, particularly Japan, where it is quite a rare masculine name. Also, Kozei is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kozei | Japan, Russia, United States, Belarus |
| Козей | Kazakhstan, Russia, Ukraine, Belarus |