Cognomen Jeyhun (Jeyhun 
, Джейхун 
) , across the world, is a rare last name. The surname Jeyhun is habitual in Azerbaijan, where it is quite a rare surname, Russia, where it is a very rare surname, and China, where it is an extremely rare surname. More frequently, Jeyhun is the forename as well as the last name.
Ali, Jafarov, Hasanov, Hasanli, Hajiyev, Mammadov, Mammadli, Mehdiyev, Mirzayev, Bayramov, Khalilov, Gurbanov, Guseynov, Taghiyev, Naghiyev, Huseynov, Zeynalov, Behestani, Ismayilov, Ibrahimov, Mammadbayli, Mustafayev, Javadov, Guliyev, Garayev, Rahimov, Aliev, Majeed, Aliyev, Agayev, Azimov, Isayev, Orujov, Mamedov, Musayev, Safarov, Suleymanov, Alizada, Abdulla, Abbasov, Ashirov, Aslanov, Asgarli, Aghayev, Ahmadov, Ahmedov, Babayev, Karimov, Alakbar, and Abdullayev