Surname Bylor (Билор 
, Bylor 
) , in the entire world, is a very rare family name. The surname Bylor is habitual in Kyrgyzstan, where it is a rare surname, Armenia, and Greece, where it is a very rare surname. More frequently, Bylor is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Билор | Kyrgyzstan, Kazakhstan, Armenia, Russia |
| Bylor | Greece, United States |