L3
L3, L03, L.3 or L-3 may refer to:
Technology:
L3 (CERN), one of the four detectors of the Large Electron-Positron Collider
L3 microkernel, a persistent microkernel operating system by German computer scientist Jochen Liedtke, and the predecessor of the L4 microkernel family
L-3, an L-carrier cable system developed by At&T
The Level-3 CPU cache in a computer
The third Lagrange Point in a Solar System
The third lumbar vertebra of the vertebral column, in human anatomy
L3, form of low-alloy special purpose steel
ISO/IEC 8859-3 (Latin-3), an 8-bit character encoding
Other:
L3/33 and L3/35, Italian tankettes used in World War II
L-3 Communications, a company providing intelligence, surveillance, and reconnaissance systems
L-3 Aviation Recorders, a Sarasota, Florida based manufacturer of flight data recorders
L-3 Flight International Aviation, an airline based in Newport News, Virginia, USA
L-3 Network Security, a network security company in the United States
ATC code L03 Immunostimulants, a subgroup of the Anatomical Therapeutic Chemical Classification System