- Lotus 1-2-3
- Lotus Domino
- Lotus Freelance Graphics
- Lotus Improv
- Lotus Jazz
- Lotus Manuscript
- Lotus Notes
- Lotus Organizer
- Lotus Software
- Lotus Symphony
- Lotus Word Pro
- Lotus Word Pro
- Lou Gerstner
- Louis Gerstner
- Louis N. Ridenour
- Louis Pouzin
- Louis V. Gerstner, Jr.
- Louise And Harvard Solutions
- Lounge Lizard
- LP 44
- LP 46
- LPS Integration
- LSA Global
- LSI Corporation
- LSS Data Systems
- LTU Technologies
- Luanne James Johnson
- Luba Cherbakov
- Lubomir Georgiev Iliev
- Lubomyr T. Romankiw
- Lucas Arts Full Throttle
- Lucas Arts Jedi Knight
- Lucas Arts Xwing vs. Tie Fighter
- LucasArts Entertainment Co.
- Luciano Lenzini
- Lucid Inc.
- LucidEra
- Lucinda (Lucy) M. Sanders
- Luckman Interactive
- Ludometrics Ltd.
- Luke Nosek
- LUMEDX
- Lumen21, Inc.
- Lumenate
- LumenData
- Lumension Security, Inc.
- LumenVox
- Lumesse
- Lumina Decision Systems
- Luminary Micro
- Luminex Software, Inc.
- Lumison
- Lumitrend, Inc
- Luna Data Solutions Inc.
- Lunascape
- Lutris Technologies
- Luxoft
- Luxology, LLC
- Luxor AB
- Luxor Sportsman 2001
- LVM Insurance calculator by Texas Instruments
- LW61ST
- LX Infiniti M A375 Pro/Tru
- LX Infiniti M A380 Pro/Tru
- LX Infiniti Orbital M F060
- LX60ST
- Lycatalk
- Lydia Botham
- Lydia E. Kavraki
- Lydia Vorsteveld
- Lyman Chapin
- Lynda Weinman
- Lyndon B. Johnson
- Lynn Conway
- Lynn G. Gref
- LynuxWorks
- LynxOS
- Lyons Consulting Group
- Lyris
- Lyryx Learning Inc
- Lyse Energi
- M & S Technologies
- M Corp
- M-801 Cartridge Disk Unit
- M-811 Magnetic Disk Unit
- M-834 Disk Pack Unit
- M-Audio
- M-Files Inc.
- M. G. Siriam
- M. Kenneth Oshman
- M1
- M2225 Magnetic Disk Unit
- M2235 Magnetic Disk Unit
- M2301 Magnetic Disk Unit
- M2351A Magnetic Disk Unit
- M2637 Magnetic Disk Unit
- M2850 Disk Pack Unit
- M2851F Disk Pack Unit
- M2860 Hard Disk Unit