- Daallo Airlines
- Dagestan Airlines
- Daily Air
- Dalavia
- Darwin Airline
- DAT Danish Air Transport
- Destination Air Shuttle
- Diexim Expresso
- Direktflyg
- Divi Divi Air
- Djibouti Airlines
- Dniproavia
- Domodedovo Airlines
- Donbassaero
- Dornier Aviation Nigeria
- DOT LT (Lithuania)
- Dragonair
- Dubrovnik Airline
- Dutch Antilles Express