Airlines — N
- ANLNacoia Lda
- NHZNada Air Service
- IRGNaft Air Lines
- NAHNahanni Air Services Ltd
- ALSNaka Nihon Airlines Service
- NKLNakheel Aviation
- MRENamibia Commerical Aviation
- NDFNamibian Defence Force
- CNJNanjing Airlines
- ACKNantucket Airlines
- NYANanyah Aviation
- NAPNapier Air Service Inc
- NASNasair
- NJCNashville Jet Charters
- NCONatalco Air Lines
- NTKNatioanl Air Traffic Controllers Association
- NCRNational Air Cargo
- NSRNational Air Charter
- RFINational Air Traffic Services
- NCNNational Airlines
- LFINational Airways Corporation
- GTYNational Aviation Company
- TNCNational Aviation Consultants
- NXTNational Express
- GRDNational Grid
- JTENational Jet Express
- ANDNational Jet Service
- NJSNational Jet Systems
- NAANational Oceanic and Atmospheric Administration
- NOLNational Overseas Airlines Company
- NLSNationale Luchtvaartschool
- NAENations Air Express Inc
- NTWNationwide Airlines
- NWZNationwide Airlines (Zambia)
- EVMNatural Environment Research Council
- NRRNatureair
- NRKNaturelink Charter
- RONNauru Air Corporation
- NVCNAV CANADA
- NAVNav Flight Planning
- NVPNavegacao Aerea De Portugal
- NAYNavegacion Servicios Aereos Canarios SA
- IRINavid
- NVMNaviera Mexicana
- NVLNavigator Airlines
- XNVNavinc Airlines Services
- XNSNavtech System Support
- NZANayzak Air Transport
- NECNecon Air
- NCGNederlandse Kustwacht
- NFTNefteyugansk Aviation Division
- NLANeiltown Air
- NLGNEL Cargo
- NLCNelair Charters
- CGENelson Aviation College
- NOSNeos
- TOXNeosiam Airways
- RNANepal Airlines
- NSLNeric
- NMANesma Airlines
- EJANetJets
- NETNetwork Aviation Services
- NEZNew England Air Express
- NEANew England Airlines
- NHTNew Heights 291
- NWDNew World Jet Corporation
- NYHNew York Helicopter
- GRYNew York State Police
- KRCNew Zealand Air Defence Force
- HVANewair
- NLTNewfoundland Labrador Air Transport
- NXBNEXT Brasil
- NXFNextflight Aviation
- NTJNextJet
- NXSNexus Aviation
- NHGNHT Lineas Aereas
- NISNicaraguense De Aviacion
- NCNNicon Airways
- NGANigeria Airways
- NGRNigerian Air Force
- NGXNigerian Global
- EXTNight Express
- NX1Nihon.jet connect
- NLYNiki
- NKVNikolaev-Air
- NIANile Air
- NSANile Safaris Aviation
- NVANile Valley Aviation Company
- NLWNile Wings Aviation Services
- NBSNimbus Aviation
- NCANippon Cargo Airlines
- NVKNizhnevartovskavia
- NOHNo. 32 (The Royal) Squadron RAF
- NBLNobil Air
- NOKNok Air
- NRLNolinor Aviation
- NMDNomad Aviation
- NOCNorcopter
- NEFNord-Flyg
- NESNordeste Linhas Aereas Regionais