A list of aircraft operators that have that have suffered an accident, serious incident or hijacking. The list may also contain defunct airlines or airlines that in the meantime have changed their name or have merged.

Airlines:
Air Service Company
Air Taxi Co. (continued as Pars Air and later Iran Aseman)
Aria Air (formerly known as Aria Air Tours)
Aria Air Tour
Caspian Airlines
Chabahar Airlines
Faraz Qeshm Airlines
Iran Air
Iran Airtour
Iran Aseman Airlines
Iranian Airways (Iranian Airways and Persian Air Services merged to form Iran Air)
Kish Air
Mahan Air
Pars Air (continued as Iran Aseman Airlines)
Persian Air Services (Iranian Airways and Persian Air Services merged to form Iran Air)
Qeshm Air
Safiran Airlines
Saha Air (renamed Iranian Airlines)
Sepahan Airlines (division of HESA)
Taban Air
Zagros Air

Corporations:
National Iranian Oil Company - NIOC

Government:
Iran Civil Aviation Organization
Iranian Government

Manufacturers:
HESA

Military:
Imperial Iranian Air Force - IIAF (renamed IRIAF Feb. 1979)
Iranian Revolutionary Guard Corps Air Force - IRGCAF
Islamic Republic of Iran Air Force - IRIAF
Islamic Republic of Iran Army - IRIAA

Organisations (non-profit):
Uniran