- Mountain Top AirportIdent: 4PS4Serves: Thompson
- Mountain Top AirportIdent: NY02Serves: Davenport
- Mountain Valley AirportIdent: KL94Serves: Tehachapi
- Mountain View AerodromeIdent: NC37Serves: Reidsville
- Mountain View AirparkIdent: 4NY0Serves: Beekmantown
- Mountain View AirportIdent: 14NKServes: Kingsbury
- Mountain View AirportIdent: 20NCServes: Sherrills Ford
- Mountain View AirportIdent: KMNFServes: Mountain View
- Mountain View AirportIdent: US-5005Serves: Johnson City
- Mountain View Farm AirportIdent: VT64Serves: Morristown
- Mountain View FieldIdent: NH31Serves: Wolfeboro
- Mountain View Ranch AirportIdent: 52COServes: Monument
- Mountain View Wilcox Memorial FieldIdent: K7M2Serves: Mountain View
- Mountain Village AirportIdent: PAMOServes: Mountain Village
- Mountainair Municipal AirportIdent: M10Serves: Mountainair
- Mountaindale AirportIdent: 63ORServes: Mountaindale
- Moursund Ranch AirportIdent: 71TEServes: Round Mountain
- Mouse and Snake Ranch AirportIdent: US-6832Serves: North Wilkesboro
- Moxley's AirportIdent: 4MD6Serves: Dublin
- Moyer AirportIdent: 3PA9Serves: Line Lexington
- Moyer AirportIdent: US-8516Serves: Holloway
- MRW Farms AirfieldIdent: US-9273Serves: Nunn
- Ms Pats AirportIdent: 35LAServes: Abbeville
- MSM AirportIdent: PS50Serves: Kingsley
- MT AirfieldIdent: 3NE5Serves: Murdock
- Mt Hope AirportIdent: OG10Serves: Lebanon
- Mucky Flat AirportIdent: 89ORServes: Eagle Point
- Muddy Creek AirportIdent: 4PS5Serves: Carmichaels
- Muddy Creek AirportIdent: 55ORServes: Corvallis
- Muddy Creek AirportIdent: OG27Serves: Haines
- Mueller Farm AirportIdent: 4KY7Serves: Verona
- Mueller FieldIdent: NE79Serves: Roca
- Muhlenberg County AirportIdent: KM21Serves: Greenville
- Mulberry Hill AirportIdent: 6OK9Serves: Stillwater
- Mulberry Run AirportIdent: VA17Serves: Strasburg
- Muleshoe Municipal AirportIdent: K2T1Serves: Muleshoe
- Mumm FieldIdent: WI11Serves: Orfordville
- Muncy AirportIdent: US-0904Serves: Hydro
- Mundale AirportIdent: MA80Serves: Westfield
- Munson AirportIdent: OG36Serves: Junction City
- Munson FieldIdent: 3KS2Serves: Arkansas City
- Murdock's Holly Bu AirportIdent: 23VGServes: Boydton
- Murk's StripIdent: 0LL2Serves: St. Augustine
- Murmuring Springs AirportIdent: 2WN5Serves: Necedah
- Murphy AirportIdent: 1U3Serves: Murphy
- Murphy FieldIdent: 06NYServes: Auburn
- Murphy FieldIdent: 17TNServes: Jonesborough
- Murphy Hot Springs AirportIdent: 3U0Serves: Three Creek
- Murphy Ranch AirportIdent: 3OR9Serves: Juntura
- Murphy's Landing AirportIdent: 80GAServes: Grantville
- Murphy-Sherwood Park AirportIdent: NH43Serves: West Nottingham
- Murphys Landing StripIdent: 0NY7Serves: Amsterdam
- Murray-Calloway County Airport Kyle-Oakley FieldIdent: KCEYServes: Murray
- Murtha AirportIdent: 02OIServes: Conneaut
- Muscatine Municipal AirportIdent: KMUTServes: Muscatine
- Music City Executive AirportIdent: KM33Serves: Gallatin
- Music Mountain Air Ranch AirportIdent: 68AZServes: Hackberry
- Musiel AirportIdent: NE43Serves: Morse Bluff
- Muskeget Island AirportIdent: MA55Serves: Muskeget Island
- Muskogee-Davis Regional AirportIdent: KMKOServes: Muskogee