Last name Иурсун (Иурсун 
) , throughout the world, is an extremely rare surname. The cognomen Иурсун is habitual in Central Asia, particularly Kyrgyzstan, where it is a very rare surname. Also, Иурсун is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Иурсун | Kyrgyzstan |