- Jolly FieldIdent: 27MSServes: Carthage
- Jones AirportIdent: 83WIServes: Dorchester
- Jones AirportIdent: K42VServes: Benkelman
- Jones Farm FieldIdent: OK12Serves: Walters
- Jones Farms AirportIdent: CA49Serves: Stratford
- Jones Memorial AirportIdent: K3F7Serves: Bristow
- Jones/Ag-Viation AirportIdent: CL23Serves: Biggs
- Jonesboro AirportIdent: KF88Serves: Jonesboro
- Jonesville AirportIdent: KL32Serves: Jonesville
- Joppa AirportIdent: US-8176Serves: Joppa Airport
- Jordan AirportIdent: 3SC7Serves: Andrews
- Jordan AirportIdent: KJDNServes: Jordan
- Jordan FieldIdent: NR02Serves: Mount Gilead
- Jordan Hill Farm AirportIdent: 1KY7Serves: Richmond
- Jordans AirportIdent: GA22Serves: Arlington
- Jorgensen - Stoller AirportIdent: 1WI8Serves: Algoma
- Joseph A. Hardy Connellsville AirportIdent: KVVSServes: Connellsville
- Joseph State AirportIdent: K4S3Serves: Joseph
- Joseph Y Resnick AirportIdent: KN89Serves: Ellenville
- Josephine Ranch AirportIdent: 2ID3Serves: Murphy
- Josephs FieldIdent: IG07Serves: Moores Hill
- Joy AirportIdent: US-13056Serves: Denton
- Joy Farms AirportIdent: 0FD9Serves: Defuniak Springs
- Joyce Binns Memorial AirportIdent: US-12719Serves: Blissfield
- Jpm AirportIdent: OG52Serves: Monmouth
- JR's AirportIdent: 11INServes: Danville
- JR's STOLportIdent: 66FDServes: Dunnellon
- Jta Asbell FieldIdent: MO22Serves: Carl Junction
- JTJ Ranch AirportIdent: 6TX6Serves: Corsicana
- Jucapa Farms AirportIdent: 9VG9Serves: Winchester
- Judd Farms AirportIdent: US-7779Serves: Lostant
- Judge Lewis Field Mount Ayr Municipal AirportIdent: 1Y3Serves: Mount Ayr
- Judy Ranch AirportIdent: OK39Serves: Forgan
- Judy StripIdent: ND18Serves: Glenburn
- Juergensen Airpark and Maritime Facility AirportIdent: PS27Serves: Addison
- Jugtown Mountain AirportIdent: 2NJ1Serves: Pattenburg
- Jukam's Landing AirportIdent: IA00Serves: Menlo
- Julesburg Municipal AirportIdent: K7V8Serves: Julesburg
- Julian Hinds Pump Plant AirstripIdent: 73CLServes: Hayfield
- Jumbolair-Greystone AirportIdent: 17FLServes: Ocala
- Junction AirportIdent: KU13Serves: Junction
- June Lake AirparkIdent: 06AKServes: Wasilla
- Juneau Ultralightport AirparkIdent: 5LA0Serves: Shreveport
- Jungclaus AirportIdent: IN20Serves: Martinsville
- Jungmanns LandingIdent: US-6779Serves: Adel
- Junior Smith AirportIdent: 60ASServes: Elaine
- Juniper Air ParkIdent: 5OR5Serves: Bend
- Juniper AirportIdent: NV14Serves: Montello
- Juniper Hills AirportIdent: US-5096Serves: Parachute
- Juntura AirportIdent: OR14Serves: Juntura
- Jurassic Landings UltralightportIdent: II31Serves: Essex
- Jurgens AirstripIdent: 75NDServes: Taylor
- Justice FieldIdent: 4OK8Serves: Stillwater
- Justison AirportIdent: 1LL5Serves: Hillsboro
- Justus AirportIdent: 2LL5Serves: Sidney
- JW AirportIdent: 2TX7Serves: Justin
- K & D AirportIdent: 71NCServes: Elon
- K & D Airways AirportIdent: 2OI8Serves: Mansfield
- K & N FieldIdent: MO59Serves: Moscow Mills
- K Bar Ranch AirportIdent: 83TEServes: Sabinal