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:
Atlantic Airways
BenAir
Conair (merged with Swedish charter airline Scanair into Premiair)
Copenhagen Air Taxi
Danair (Joint venture between SAS, Maersk Air and Cimber Air)
Det Danske Luftfartselskab - DDL (integrated into SAS)
Fairline (aka Faroe Airways)
GAC
Jetair
Maersk Air (merged with Sterling Air in 2005)
Muk Air Taxi
North Flying
Star Air A/S
Sterling Airways (merged with Maersk Air in 2005)
Sun-Air of Scandinavia

Corporations:
Weibel Scientific

Flying schools, Aeroclubs, Paraclubs:
Nomad Fleet Vamdrup

Government:
Danish Government

Military:
Kongelige Danske Flyvevåbnet