L

L1 (Level 1)

L2 (Level 2)

LAN (local area network)

LBA (logical block address/addressing)

LCD (liquid crystal display)

LED (light-emitting diode)

LIF (Low Insertion Force)

LIM (Lotus Intel Microsoft)

LLF (low-level formatting)

LPT (line printer)

LTO (Linear tape-open)

LVD (Low voltage differential)