Airlines — K
- KYMKrym
- OPCKrystel Air Charter
- KSYKSY
- KILKuban Airlines
- KPAKunpeng Airlines
- KZAKurzemes Avio
- KUHKush Air
- KBVKustbevakningen
- KACKuwait Airways
- KZUKuzu Airlines Cargo
- QVRKvadro Aero
- KWNKwena Air
- KGZKyrgyz Airlines
- KTCKyrgyz Trans Avia
- LYNKyrgyzstan
- KGAKyrgyzstan Airlines
- DAMKyrgyzstan Department of Aviation
- KGBKyrgz General Aviation