- Langzhong Gucheng AirportIdent: LZGCountry: China
- Lannion AirportIdent: LFROCountry: France
- Lanvéoc-Poulmic Air BaseIdent: LFRLCountry: France
- Lanyu AirportIdent: RCLYCountry: Taiwan
- Lanzhou Air BaseIdent: CN-0123Country: China
- Laohutun Air BaseIdent: CN-0003Country: China
- Lar AirportIdent: OISLCountry: Iran
- Laramie Regional AirportIdent: KLARCountry: United States
- Laredo International AirportIdent: KLRDCountry: United States
- Las Breas AirportIdent: SCTTCountry: Chile
- Las Brujas AirportIdent: SKCZCountry: Colombia
- Las Cruces International AirportIdent: KLRUCountry: United States
- Las Flores AirportIdent: SKBCCountry: Colombia
- Las Heras AirportIdent: SAVHCountry: Argentina
- Las Vegas Municipal AirportIdent: KLVSCountry: United States
- Lasham AirfieldIdent: EGHLCountry: United Kingdom
- Lashio AirportIdent: VYLSCountry: Myanmar (Burma)
- Latakia International AirportIdent: OSLKCountry: Syria
- Latina Air BaseIdent: LIRLCountry: Italy
- Latrobe Valley AirportIdent: YLTVCountry: Australia
- Laughlin Air Force BaseIdent: KDLFCountry: United States
- Laughlin Bullhead International AirportIdent: KIFPCountry: United States
- Launceston AirportIdent: YMLTCountry: Australia
- Laupheim Air BaseIdent: ETHLCountry: Germany
- Laurence G Hanscom FieldIdent: KBEDCountry: United States
- Lauro Carneiro de Loyola AirportIdent: SBJVCountry: Brazil
- Lauro Kurtz AirportIdent: SBPFCountry: Brazil
- Laval-Entrammes AirportIdent: LFOVCountry: France
- Lavan AirportIdent: OIBVCountry: Iran
- Lawrence Municipal AirportIdent: KLWMCountry: United States
- Lawson Army Air FieldIdent: KLSFCountry: United States
- Lawton Fort Sill Regional AirportIdent: KLAWCountry: United States
- Le Castellet AirportIdent: LFMQCountry: France
- Le Havre-Octeville AirportIdent: LFOHCountry: France
- Le Luc-Le Cannet AirfieldIdent: LFMCCountry: France
- Le Mans-Arnage AirportIdent: LFRMCountry: France
- Le Touquet-Côte d'Opale AirportIdent: LFATCountry: France
- Lea County Regional AirportIdent: KHOBCountry: United States
- Leaf Rapids AirportIdent: CYLRCountry: Canada
- Learmonth AirportIdent: YPLMCountry: Australia
- Lebanon Municipal AirportIdent: KLEBCountry: United States
- Lebyazhye Air BaseIdent: XRWLCountry: Russia
- Lecce Galatina Air Base / Galatina Fortunato Cesari AirportIdent: LIBNCountry: Italy
- Lechfeld Air BaseIdent: ETSLCountry: Germany
- Leeds East AirportIdent: EGXGCountry: United Kingdom
- Leesburg International AirportIdent: KLEECountry: United States
- Leeuwarden Air BaseIdent: EHLWCountry: Netherlands
- Leeward Point FieldIdent: MUGMCountry: Cuba
- Leh Kushok Bakula Rimpochee AirportIdent: VILHCountry: India
- Lehigh Valley International AirportIdent: KABECountry: United States
- Leigh Creek AirportIdent: YLECCountry: Australia
- Leinster AirportIdent: YLSTCountry: Australia
- Leipzig–Altenburg AirportIdent: EDACCountry: Germany
- Leite Lopes AirportIdent: SBRPCountry: Brazil
- Leiyang Air BaseIdent: CN-0071Country: China
- Leknes AirportIdent: ENLKCountry: Norway
- Lelystad AirportIdent: EHLECountry: Netherlands
- Lemhi County AirportIdent: KSMNCountry: United States
- Lemoore Naval Air Station (Reeves Field) AirportIdent: KNLCCountry: United States
- Lengpui AirportIdent: VELPCountry: India