- Kuruc-A-Ruc South AirportIdent: YRKEServes: Rokewood
- Kurundi AirportIdent: YKURServes: Kurundi Station
- Kurweeton AirportIdent: YKUWAirport type: Small airport
- Kyabram AirportIdent: YKYBServes: Private Airfield in the Shire of Campaspe
- Kyneton AirportIdent: YKTNServes: Kyneton
- Kynuna AirportIdent: YKYNServes: Kynuna
- La Grange Bay AirportIdent: YLGBServes: Lagrange
- Lady Barron AerodromeIdent: YLDBServes: Lady Barron
- Laglan AirportIdent: YLGLAirport type: Small airport
- Lagoon Bay AirportIdent: YLAGServes: Dunalley
- Lake Cargelligo AirportIdent: YLCGAirport type: Small airport
- Lake Evella AirportIdent: YLEVAirport type: Small airport
- Lake Everard AirportIdent: YLVDAirport type: Small airport
- Lake Grace AirportIdent: YLGCServes: Lake Grace
- Lake Macquarie AirportIdent: YLMQServes: City of Lake Macquarie
- Lake Nash AirportIdent: YLKNServes: Alpurrurulam
- Lake Varley AirportIdent: YLVYAirport type: Small airport
- Lake Way AirportIdent: YLWYAirport type: Small airport
- Lakefield AirportIdent: YLFDServes: Lakefield
- Lakeland AirportIdent: YLNDServes: Lakeland Downs
- Lakes Entrance AirportIdent: YLETAirport type: Small airport
- Lambina AirportIdent: YLAMAirport type: Small airport
- Lambrook AirportIdent: YLMBAirport type: Small airport
- Lameroo AirportIdent: YLAOAirport type: Small airport
- Landor Races AirportIdent: YLNRAirport type: Small airport
- Landor Station AirportIdent: YLDOAirport type: Small airport
- Langawirra AirportIdent: YLANAirport type: Small airport
- Langlo Downs AirportIdent: YLLDAirport type: Small airport
- Laura AirportIdent: YLRAAirport type: Small airport
- Laverton AirportIdent: YLTNServes: Laverton
- Lawlers AirportIdent: YLAWAirport type: Small airport
- Lawn Hill AirportIdent: YLAHAirport type: Small airport
- Leeman AirportIdent: YLEAServes: Leeman
- Leeton AirportIdent: YLEEAirport type: Small airport
- Leeuwin Estate AirportIdent: YLUWServes: Margaret River
- Legune AirportIdent: YLGUServes: Baines
- Leongatha AirportIdent: YLEGServes: Leongatha South
- Lethbridge AirparkIdent: YLEDAirport type: Small airport
- Lilla Creek AirportIdent: YLLCAirport type: Small airport
- Lilydale AirportIdent: YLILAirport type: Small airport
- Limbunya AirportIdent: YLIMServes: Limbunya
- Lismore AirportIdent: YLSMAirport type: Small airport
- Lizard Island AirportIdent: YLZIAirport type: Small airport
- Lochinvar AirportIdent: YLOCAirport type: Small airport
- Lock AirportIdent: YLOKServes: Lock
- Lombadina AirportIdent: YLBDServes: Dampier Peninsula
- Long Hill AirportIdent: YLHLAirport type: Small airport
- Longdown AirportIdent: YLGDServes: Longford
- Longwarry AirportIdent: YLOYAirport type: Small airport
- Longwood AirportIdent: YLODServes: Longwood East
- Loongana AirportIdent: YLGNAirport type: Small airport
- Lord Howe Island AirportIdent: YLHIServes: Lord Howe Island
- Lorna Glen Homestead AirportIdent: YLRGAirport type: Small airport
- Lorraine AirportIdent: YLORAirport type: Small airport
- Lorraine Station AirportIdent: YLRNAirport type: Small airport
- Lotus Creek/Croyden AirstripIdent: YACRServes: Croyden
- Lotus Vale AirportIdent: YLOVServes: Lotus Vale
- Louisa Downs AirportIdent: YLOUAirport type: Small airport
- Louth AirportIdent: YLOHServes: Louth
- Lovely Banks AirportIdent: YLVBAirport type: Small airport