Cognomen Роиб (Royb 
, Роиб 
) , in all the world, is an extremely rare family name. The family name Роиб is characteristic of Eastern Europe, particularly Russia, where it is an extremely rare surname. More frequently, Роиб is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Royb | India, Spain, United States, Philippines |
| Роиб | Russia |