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 Atlanta Icelandic
Flugfelag Austurlands
Flugfélag Islands (merged in 1973 with Loftleidir into Icelandair)
Flugfélag Íslands - Air Iceland
Flugfélag Nordurlands (renamed Flugfélag Íslands - Air Iceland, 1997)
Flughjalp
Flugsyn
Fragtflug
Icelandair Flugfélag Islands
Islandsflug (merged into Air Atlanta Icelandic)
Loftleidir (merged in 1973 with Flugfélag Islands into Icelandair)
Mýflug Air