Family name Жагар (Jagar 
, Žagar 
, Zhagar ) , throughout the world, is quite a rare cognomen. The cognomen Жагар is habitual in Southern Europe, particularly Croatia, where it is quite a common surname, Slovenia, and Montenegro, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in Croatia, Slovenia, and India. More prevalently, Жагар is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jagar | Malaysia, Croatia, India, Iraq, Slovenia |
| Žagar | United Kingdom, Serbia, Croatia, United States, Slovenia |
| Zhagar | India |
| Жагар | Kazakhstan, Russia, Ukraine |
|
жагар александр иванович LV (b. 1893) |
|
| олег александрович жагар Soviet architect, RU (b. 1922) |
|