- Lensk AirportIdent: UERLCountry: Russia
- Leonard M. Thompson International AirportIdent: MYAMCountry: Bahamas
- Leonora AirportIdent: YLEOCountry: Australia
- Les Eplatures AirportIdent: LSGCCountry: Switzerland
- Leshan AirportIdent: CN-0249Country: China
- Lethbridge County AirportIdent: CYQLCountry: Canada
- Lethem AirportIdent: SYLTCountry: Guyana
- Leuchars Station AirfieldIdent: EGQLCountry: United Kingdom
- Levashovo Air BaseIdent: RU-0001Country: Russia
- Lewiston Nez Perce County AirportIdent: KLWSCountry: United States
- Lewistown Municipal AirportIdent: KLWTCountry: United States
- León AirportIdent: LELNCountry: Spain
- Leźnica Wielka Air BaseIdent: EPLYCountry: Poland
- Lhok Sukon AirportIdent: WITLCountry: Indonesia
- Liancheng Guanzhishan AirportIdent: ZSLOCountry: China
- Liangxiangzhen Air BaseIdent: CN-0016Country: China
- Liberal Mid-America Regional AirportIdent: KLBLCountry: United States
- Libertador Gral D Jose De San Martin AirportIdent: SARPCountry: Argentina
- Licenciado Miguel de la Madrid International AirportIdent: MMIACountry: Mexico
- Lichinga AirportIdent: FQLCCountry: Mozambique
- Lien Khuong AirportIdent: VVDLCountry: Vietnam
- Lieutenant Colonel Carmelo Peralta National AirportIdent: SGCOCountry: Paraguay
- Lieutenant Colonel Luis A. Mantilla International AirportIdent: SETUCountry: Ecuador
- Lieutenant Julio Gallardo AirportIdent: SCNTCountry: Chile
- Lieutenant Étienne Mantoux Air BaseIdent: LFQECountry: France
- Lifou AirportIdent: NWWLCountry: New Caledonia
- Lifuka Island AirportIdent: NFTLCountry: Tonga
- Lightning Ridge AirportIdent: YLRDCountry: Australia
- Lilabari North Lakhimpur AirportIdent: VELRCountry: India
- Limbang AirportIdent: WBGJCountry: Malaysia
- Lime Acres Finsch Mine AirportIdent: FALCCountry: South Africa
- Limoges AirportIdent: LFBLCountry: France
- Limón International AirportIdent: MRLMCountry: Costa Rica
- Lincang Boshang AirportIdent: ZPLCCountry: China
- Lincoln AirportIdent: KLNKCountry: United States
- Linfen Yaodu AirportIdent: ZBLFCountry: China
- Lingshui Air BaseIdent: CN-0072Country: China
- Linhares Municipal AirportIdent: SNLNCountry: Brazil
- Lins AirportIdent: SBLNCountry: Brazil
- Lintao Air BaseIdent: CN-0125Country: China
- Linyi Qiyang AirportIdent: ZSLYCountry: China
- Lipetsk Air BaseIdent: RU-0016Country: Russia
- Lipetsk AirportIdent: UUOLCountry: Russia
- Liping AirportIdent: ZUNPCountry: China
- Lisala AirportIdent: FZGACountry: Congo - Kinshasa
- Lismore AirportIdent: YLISCountry: Australia
- Little Rock Air Force BaseIdent: KLRFCountry: United States
- Liupanshui Yuezhao AirportIdent: ZUPSCountry: China
- Liuzhou Bailian Airport / Bailian Air BaseIdent: ZGZHCountry: China
- Liège AirportIdent: EBLGCountry: Belgium
- Ljungbyhed AirfieldIdent: ESTLCountry: Sweden
- Lleida-Alguaire AirportIdent: LEDACountry: Spain
- Lloydminster AirportIdent: CYLLCountry: Canada
- Loakan AirportIdent: RPUBCountry: Philippines
- Lockhart River AirportIdent: YLHRCountry: Australia
- Lodwar AirportIdent: HKLOCountry: Kenya
- Loei AirportIdent: VTULCountry: Thailand
- Logan-Cache AirportIdent: KLGUCountry: United States
- Logroño-Agoncillo AirportIdent: LELOCountry: Spain
- Loikaw AirportIdent: VYLKCountry: Myanmar (Burma)