Family name Ягор (Egor 
, Yegor 
, Jahor 
, among others...) , all around the world, is quite a rare last name. The surname Ягор is habitual in Moldova, where it is quite a rare surname, Cyprus, and Georgia. Measured by absolute frequency, it is the most numerous in Nigeria, China, and Moldova. More prevalently, Ягор is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Egor | Moldova, Belarus, India, Nigeria, Russia |
| Yegor | Turkmenistan, Belarus, United States, Germany, Russia |
| Jahor | Belarus, India, Bangladesh, United States, Pakistan |
| Jegor | Poland, India, United States, Germany, Ukraine |
| Ягор | Kazakhstan, Belarus, Armenia, Russia, Ukraine |