Cognomen Djahongir (Джахонгир 
, Дйахонгир , Djahongir 
) , around the world, is a rare surname. The surname Djahongir is habitual in Central Asia, particularly Tajikistan, where it is quite a rare surname, Kyrgyzstan, where it is a rare surname, and Uzbekistan. In absolute terms, it most frequently occurs in Tajikistan, Uzbekistan, and Russia. Much more prevalently, Djahongir is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Джахонгир | Uzbekistan, Belarus, Kyrgyzstan, Tajikistan, Russia |
| Дйахонгир | Russia |
| Djahongir | United States |