| Nacional Transportes Aereos | NCT | ||
| Nadym Airlines | NDM | ||
| Nakanihon Airlines | NV | ||
| Nanjing Airlines | 3W | CNJ | |
| Nationair Canada | NX | NXA | 151 |
| Nationair-National Airlines | NAN | ||
| National Air Charters | NSR | ||
| National Airlines | 5M | MUA | |
| National Airlines (Chile) | N4 | NCN | |
| National Airlines (South Africa) | YJ | NTN | |
| National Aviation Company | NC | GTY | |
| National Commuter Airways | |||
| National Jet Systems | NC | NJS | |
| Nationwide Air | CE | NTW | 567 |
| Nebo Air Company | NBO | ||
| Necon Air | 3Z | NEC | 741 |
| NEPC Airlines | D5 | NEP | 448 |
| New ACS | DF | NWC | |
| Nigeria Airlines | WT | NGA | |
| Niki | HG | NLY | |
| Nile Safaris Aviation | NSA | ||
| Nippon Cargo Airlines | KZ | NCA | 933 |
| Nolinor Aviation | NRL | ||
| Nordeste-Linhas Aereas Regionais | JH | NES | 264 |
| Nordic European Airlines | DJ | NOD | |
| Nordic Solutions Air Service | NVD | ||
| Nordic Solutions Air Services | |||
| Norilsk Air Enterprise | |||
| North African Airways | |||
| North American Airlines | XG | NAO | 455 |
| North Atlantic Airways | |||
| North Cariboo Flying Service | NCB | ||
| North East Cargo | MGD | ||
| North Sea Airways | NRC | ||
| North Star Aircargo | SBX | ||
| North Star Airlines | |||
| North West Airlines (Australia) | NWW | ||
| Northern Air Cargo | NC | NAC | 345 |
| Northern Air Charter | NAG | ||
| Northern Airlines Sanya | QB | BYC | |
| Northwest Air Services | NWD | ||
| Northwest Airlines | NW | NWA | 012 |
| Northwest Orient | |||
| Northwestern Air Lease | J3 | PLR | 325 |
| Norway Airlines | JA | NOS | 583 |
| Norwegian Air Shuttle | DY | NAX | 328 |
| Nouvel Air Tunisie | BJ | LBT | |
| Novair | 1I | NVR | |
| Novosibirsk Airlines | L8 | NLB | |
| NWT Air | NV | NWT | 668 |