Laird (E.M. Laird Airplane Company) (United States of America)
- Laird Biplane (1915)
- Laird Super Solution
- Laird-Turner TR-14
Laister-Kauffman (United States of America)
- Laister-Kauffman TG-14 Training Glider
Lake (United States of America)
- Lake LA-4-180 Buccaneer
- Lake LA-4-200 Buccaneer
Lancair (United States of America)
- Lancair 200SE
- Lancair 235
- Lancair 320
- Lancair 360
- Lancair ES
- Lancair IV & IV-P
- Lancair LC41-550FG Columbia 400
- Lancair T360
Lane-Turner (United States of America)
- Lane-Turner T-40
Langley (United States of America)
- Langley Aerodrome Model (1896)
Lavochkin (USSR)
- Lavochkin La-11 Fang
Lear (United States of America)
- Learjet 23
- Learjet C-21A
Legend Turbine Legend (United States of America)
- Legend Turbine Legend
Let (Czech Republic)
- Let Aero Ae-45
- Let L-23 Super Blanik
Levier, Tony (United States of America)
- Levier W-5 Cosmic Wind
Ling-Temco-Vought (LTV) (United States of America)
- Ling-Temco-Vought A-7B Corsair II
- Ling-Temco-Vought A-7C Corsair II
- Ling-Temco-Vought TA-7C Corsair II
- Ling-Temco-Vought YA-7D Corsair II
- Ling-Temco-Vought A-7D Corsair II
- Ling-Temco-Vought A-7E Corsair II
- Ling-Temco-Vought F-8A Super Critical Wing
Link (United States of America)
- Link Trainer
Lockheed (United States of America)
- Lockheed 5B Vega
- Lockheed 5C Vega
- Lockheed 8 Sirius
- Lockheed L-10A Electra
- Lockheed L-12A Electra Junior
- Lockheed C-60A Lodestar
- Lockheed L-1049H-82 Constellation
- Lockheed C-121C Constellation
- Lockheed EC-121D Warning Star
- Lockheed VC-121E Columbine III
- Lockheed EC-121S Warning Star
- Lockheed EC-121T Warning Star
- Lockheed C-130 Hercules
- Lockheed DC-130A Hercules
- Lockheed NC-130B Hercules
- Lockheed C-130E Hercules
- Lockheed HC-130H Hercules
- Lockheed C-130J Hercules
- Lockheed C-130T Hercules
- Lockheed C-140A JetStar
- Lockheed C-140B JetStar
- Lockheed C-141A Starlifter
- Lockheed C-141B Starlifter
- Lockheed C-5A Galaxy
- Lockheed C-5B Galaxy
- Lockheed P-38J Lightning
- Lockheed P-38L Lightning
- Lockheed P-80A Shooting Star
- Lockheed F-80C Shooting Star
- Lockheed P-80R Shooting Star
- Lockheed T-33A Shooting Star
- Lockheed TO-1 Shooting Star
- Lockheed TV-2 Sea Star
- Lockheed F-80C Shooting Star
- Lockheed F-94A Starfire
- Lockheed F-94C Starfire
- Lockheed YF-104A Starfighter
- Lockheed F-104A Starfighter
- Lockheed CF-104A Starfighter
- Lockheed F-104C Starfighter
- Lockheed F-104D Starfighter
- Lockheed CF-104D Starfighter
- Lockheed F-104G Starfighter
- Lockheed F-117A Nighthawk
- Lockheed Martin F-16C Fighting Falcon
- Lockheed Martin F-16F Desert Falcon
- Lockheed Martin F-22A Raptor
- Lockheed Martin X-35B JSF STOVL
- Lockheed F-35 Lightning II
- Lockheed TR-1A Dragon Lady
- Lockheed U-2CT Dragon Lady
- Lockheed A-12 Oxcart
- Lockheed TA-12 Oxcart
- Lockheed SR-71A Blackbird
- Lockheed SR-71B Blackbird
- Lockheed SR-71C Blackbird
- Lockheed Hudson Mk. IIIA
- Lockheed R5O-5 Lodestar
- Lockheed PV-2D Harpoon
- Lockheed P2V-7 Neptune
- Lockheed SP-2E Neptune
- Lockheed S-3B Viking
- Lockheed P-3A Orion
- Lockheed YO-3A QuietStar
- Lockheed X-7 Ramjet
- Lockheed Polaris A-1
Loening (United States of America)
- Loening OA-1A
Loving-Wayne (United States of America)
- Loving-Wayne WR-1 Racer
Luscombe (United States of America)
- Luscombe 8A