l
- LAN
- Landing Zone
- LAPM
- Laser Disc
- Laser Printer
- Latch
- Latency
- Lathing
- LBA
- LCD Printer
- LCOS
- LED Printer
- left click
- Legacy
- LEP
- LFB
- LGA775
- LIFO
- light mode
- Lightning to USB adapter
- Line Art
- Line Noise
- Linux
- Local Bus
- Local Loop
- Lock Screen
- Logic Gate
- Look Ahead
- Loop Qualification
- Loopback Test
- Lossless
- Lossy
- Low-Level Formatting
- Low-level language
- Low Profile
- LPT1
- LPX
- LSI
- Luminance
- LVD
- LZW