- Monticello Municipal Ellis FieldIdent: KLLQCountry: United States
- Montijo Air BaseIdent: LPMTCountry: Portugal
- Montluçon-Guéret AirportIdent: LFBKCountry: France
- Montreal Mirabel International AirportIdent: CYMXCountry: Canada
- Montrose Regional AirportIdent: KMTJCountry: United States
- Montréal / Saint-Hubert Metropolitan AirportIdent: CYHUCountry: Canada
- Moody Air Force BaseIdent: KVADCountry: United States
- Moorea Temae AirportIdent: NTTMCountry: French Polynesia
- Moose Jaw Air Vice Marshal C. M. McEwen AirportIdent: CYMJCountry: Canada
- Moosonee AirportIdent: CYMOCountry: Canada
- Mopah International AirportIdent: WAKKCountry: Indonesia
- Mopti AirportIdent: GAMBCountry: Mali
- Mora AirportIdent: ESKMCountry: Sweden
- Moradabad AirportIdent: VIMBCountry: India
- Moranbah AirportIdent: YMRBCountry: Australia
- Morava AirportIdent: LYKVCountry: Serbia
- Moree AirportIdent: YMORCountry: Australia
- Morgantown Municipal Airport Walter L. (Bill) Hart FieldIdent: KMGWCountry: United States
- Morlaix-Ploujean AirportIdent: LFRUCountry: France
- Morningside Farm AirportIdent: FAMSCountry: South Africa
- Morombe AirportIdent: FMSRCountry: Madagascar
- Moron Air BaseIdent: LEMOCountry: Spain
- Morondava AirportIdent: FMMVCountry: Madagascar
- Morristown Municipal AirportIdent: KMMUCountry: United States
- Moruya AirportIdent: YMRYCountry: Australia
- Mosjøen Airport, KjærstadIdent: ENMSCountry: Norway
- Moss Airport, RyggeIdent: ENRYCountry: Norway
- Mouilla Ville AirportIdent: FOGMCountry: Gabon
- Moulay Ali Cherif AirportIdent: GMFKCountry: Morocco
- Moundou AirportIdent: FTTDCountry: Chad
- Mount Cook AirportIdent: NZMCCountry: New Zealand
- Mount Gambier AirportIdent: YMTGCountry: Australia
- Mount Hagen Kagamuga AirportIdent: AYMHCountry: Papua New Guinea
- Mount Hotham AirportIdent: YHOTCountry: Australia
- Mount Isa AirportIdent: YBMACountry: Australia
- Mount Keith AirportIdent: YMNECountry: Australia
- Mount Magnet AirportIdent: YMOGCountry: Australia
- Mount Pleasant Airport / RAF Mount PleasantIdent: EGYPCountry: Falkland Islands
- Mountain Home Air Force BaseIdent: KMUOCountry: United States
- Mozdok Air BaseIdent: RU-0152Country: Russia
- Mozes Kilangin AirportIdent: WABPCountry: Indonesia
- Mtwara AirportIdent: HTMTCountry: Tanzania
- Mudanjiang Hailang International AirportIdent: ZYMDCountry: China
- Mudgee AirportIdent: YMDGCountry: Australia
- Mueda AirportIdent: FQMDCountry: Mozambique
- Muir Army Air Field (Fort Indiantown Gap) AirportIdent: KMUICountry: United States
- Mukah AirportIdent: WBGKCountry: Malaysia
- Mulu AirportIdent: WBMUCountry: Malaysia
- Munda AirportIdent: AGGMCountry: Solomon Islands
- Mundo Maya International AirportIdent: MGTKCountry: Guatemala
- Murod Kond AirportIdent: VALTCountry: India
- Murray FieldIdent: KEKACountry: United States
- Mushaf Air BaseIdent: OPSRCountry: Pakistan
- Muskegon County AirportIdent: KMKGCountry: United States
- Muskoka AirportIdent: CYQACountry: Canada
- Mussanah AirportIdent: OM-0004Country: Oman
- Mustique AirportIdent: TVSMCountry: St. Vincent & Grenadines
- Mutiara - SIS Al-Jufrie AirportIdent: WAFFCountry: Indonesia
- Mutoko AirportIdent: FVMTCountry: Zimbabwe
- Muwaffaq Salti Air BaseIdent: OJMSCountry: Jordan