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, an Intel microkernel and the predecessor of the L4 microkernel family
• L-3 : a 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

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 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
• Aeronca L-3 Grasshopper, a light airplane used by the USAAF during World War II
• Avia L.3, an Italian plane used for training by the Regia Aeronautica
• Haplogroup L3 (mtDNA), a human mitochondrial DNA (mtDNA) haplogroup generally found in East Africa
• Macchi L.3, a 1916 Italian biplane flying boats
• N1/L3, a Soviet space program
• Soviet submarine L-3, a 1931 Leninets class minelayer submarine
• Soyuz 7K-L3, a manned lunar lander design type in Russia's Soyuz space program
• SP&S Class L-3, a 1883 steam locomotives class
• L³ (length^3), volume.
• L3 : the IATA code for DHL De Guatemala, a cargo airline based in Guatemala
• L3 : the IATA code for LTU Austria, an airline based in Austria
• L03 : a Chevrolet Small-Block engine model
• Latitude/Longitude Locator, an STS-32 Space Shuttle mission experiment
• Live, Loud & Local, a show launched by band The Matches in the Oakland, California region
• Leprechaun 3, film
• L3, a third year law school student

See also

• LLL (disambiguation)
• L band, radio frequencies in the electromagnetic spectrum