- Metropolis Municipal AirportIdent: KM30Serves: Metropolis
- Mettel FieldIdent: KCEVServes: Connersville
- Metter Municipal AirportIdent: KMHPServes: Metter
- Metz AirportIdent: 3CA7Serves: Greenfield
- Metz FieldIdent: 74NDServes: Northwood
- Metzel Creek AirportIdent: MT47Serves: Lakeview
- Mexia Limestone County AirportIdent: KLXYServes: Mexia
- Mexico Airdrome AirportIdent: NY96Serves: Mexico
- Mexico Farms AirportIdent: 1W3Serves: Cumberland
- Mexico Memorial AirportIdent: KMYJServes: Mexico
- Meyer FieldIdent: TA33Serves: Rosharon
- Meyer Riverside AirparkIdent: OG34Serves: Tigard
- Meyers Freedom Flight Hardy AirportIdent: 85NEServes: Hardy
- Meylor FieldIdent: 9NC9Serves: Greensboro
- Meylor LandingIdent: US-9105Serves: Stokesdale
- MFR North AirportIdent: 6TX0Serves: Lampasas
- Mggenas AirportIdent: US-3389Serves: Gibson
- Miami County AirportIdent: KK81Serves: Paola
- Miami Municipal AirportIdent: KMIOServes: Miami
- Miami Roberts County AirportIdent: K3E0Serves: Miami
- Miami University AirportIdent: KOXDServes: Oxford
- Miami Valley Farm AirportIdent: GA99Serves: Fort Valley
- Michael AAF (Dugway Proving Ground) AirportIdent: KDPGServes: Dugway Proving Ground
- Michael AirportIdent: 54KSServes: Wellsville
- Michael Farm AirportIdent: MU84Serves: Lone Jack
- Michael J. Smith FieldIdent: KMRHServes: Beaufort
- Michael Pfister AirportIdent: 86ISServes: Roanoke
- Michael Skypark AirportIdent: US-8447Serves: Hillsdale
- Michael's AirportIdent: SN45Serves: Lawrence
- Michaels Farms AirportIdent: WV17Serves: Martinsburg
- Michair AirportIdent: WT44Serves: Cathlamet
- Michels Farms AirportIdent: US-1201Serves: North Mankato
- Micro AirportIdent: 1VA1Serves: Stuart
- Mid America Industrial AirportIdent: KH71Serves: Pryor
- Mid Atlantic Soaring Center AirportIdent: W73Serves: Fairfield
- Mid Continent AirportIdent: M28Serves: Hayti
- Mid Valley AirparkIdent: KE98Serves: Los Lunas
- Mid Valley International AirportIdent: KT65Serves: Weslaco
- Mid-Carolina Regional AirportIdent: KRUQServes: Salisbury
- Mid-State Regional AirportIdent: KPSBServes: Philipsburg
- Mid-Valley Dusters Inc AirportIdent: 43TXServes: Alamo
- MidCoast Regional Airport at Wright Army AirfieldIdent: KLHWServes: Hinesville
- Middle Bass Island AirportIdent: 3T7Serves: Middle Bass Island
- Middle Bass-East Point AirportIdent: 3W9Serves: Middle Bass Island
- Middle Peninsula Regional AirportIdent: KFYJServes: Shacklefords
- Middlebury AirportIdent: 8PS0Serves: Middlebury Center
- Middlebury State AirportIdent: 6B0Serves: Middlebury
- Middlekoop AirportIdent: 04IAServes: Packwood
- Middlesboro-Bell County AirportIdent: K1A6Serves: Middlesboro
- Middlesex Valley AirportIdent: 4N2Serves: Middlesex
- Middleton Island AirportIdent: PAMDServes: Middleton Island
- Middleton Municipal Morey FieldIdent: KC29Serves: Middleton
- Middletown Regional AirportIdent: KMWOServes: Middletown
- Midget AirportIdent: MI86Serves: North Muskegon
- Midkiff AirportIdent: 2IN5Serves: Sulphur Springs
- Midlake AirportIdent: 28TEServes: Elmendorf
- Midlakes AirportIdent: 92GServes: Gorham
- Midland AirparkIdent: KMDDServes: Midland
- Midland AirportIdent: 50ILServes: Antioch
- Midsouth AirparkIdent: 08MSServes: Coldwater