L3, L03, L.3 or L-3 may refer to:

In arts and media

Live, Loud & Local The Matches are an American rock band from Oakland, California, active from 1997 to 2009. Formed as the Locals, the group changed their name after five years to avoid conflict with a Chicago band of the same name. As the Matches, they self-release ...

, a show launched by band The Matches in the Oakland, California region * '' Leprechaun 3'', a film * L3-37, a droid in ''Solo: A Star Wars Story'' * Lower third, in television and film a graphic overlay placed in the title-safe lower area of the screen.

Businesses

* L3 Technologies, a company that provided intelligence, surveillance, and reconnaissance systems prior to a merger with

Harris Corporation Harris Corporation was an American technology company, defense contractor, and information technology services provider that produced wireless equipment, tactical radios, electronic systems, night vision equipment and both terrestrial and spaceb ...

to form L3Harris Technologies in 2019 *

DHL De Guatemala DHL de Guatemala S.A. is a cargo airline based in Guatemala City, Guatemala. It is wholly owned by Deutsche Post and provides services for the group's DHL-branded logistics network in Guatemala. Its main base is La Aurora International Airport.Fli ...

(IATA code L3), a cargo airline based in Guatemala * LTU Austria (IATA code L3), an airline based in Austria

In science and technology

Biology and medicine

* L3, the third

lumbar vertebra The lumbar vertebrae are, in human anatomy, the five vertebrae between the rib cage and the pelvis. They are the largest segments of the vertebral column and are characterized by the absence of the foramen transversarium within the transverse p ...

, in human anatomy * the third larval stage in the ''

Caenorhabditis elegans ''Caenorhabditis elegans'' () is a free-living transparent nematode about 1 mm in length that lives in temperate soil environments. It is the type species of its genus. The name is a blend of the Greek ''caeno-'' (recent), ''rhabditis'' (ro ...

'' worm development *

ATC code L03 L03A Immunostimulants L03AA Colony stimulating factors :L03AA02 Filgrastim :L03AA03 Molgramostim :L03AA09 Sargramostim :L03AA10 Lenograstim :L03AA12 Ancestim :L03AA13 Pegfilgrastim :L03AA14 Lipegfilgrastim :L03AA15 Balugrastim :L03AA16 Empegf ...

''Immunostimulants'', a subgroup of the Anatomical Therapeutic Chemical Classification System * Haplogroup L3 (mtDNA), a human mitochondrial DNA (mtDNA) haplogroup generally found in East Africa

Computing and telecommunications

* L-3, an L-carrier cable system developed by AT&T *

L3 microkernel L4 is a family of second-generation microkernels, used to implement a variety of types of operating systems (OS), though mostly for Unix-like, ''Portable Operating System Interface'' (POSIX) compliant types. L4, like its predecessor microkernel ...

, a microkernel operating system by German computer scientist Jochen Liedtke * The Level-3

CPU cache A CPU cache is a hardware cache used by the central processing unit (CPU) of a computer to reduce the average cost (time or energy) to access data from the main memory. A cache is a smaller, faster memory, located closer to a processor core, which ...

in a computer * ISO/IEC 8859-3 (Latin-3), an 8-bit character encoding * L3

technical support Technical support (abbreviated as tech support) is a call centre type customer service provided by companies to advise and assist registered users with issues concerning their technical products. Traditionally done on the phone, technical suppor ...

, the highest level dealing with the most difficult or advanced problems.

Transportation

Air- and spacecraft

* Aeronca L-3 Grasshopper, a light airplane used by the USAAF during World War II *

Avia L.3 Avia Motors s.r.o. is a Czech Republic, Czech automotive manufacturer. It was founded in 1919 as an aircraft maker, and diversified into trucks after 1945. As an aircraft maker it was notable for producing biplane fighter aircraft, especially the ...

, an Italian plane used for training by the

Regia Aeronautica The Italian Royal Air Force (''Regia Aeronautica Italiana'') was the name of the air force of the Kingdom of Italy. It was established as a service independent of the Royal Italian Army from 1923 until 1946. In 1946, the monarchy was abolis ...

* Macchi L.3, a 1916 Italian biplane flying boats * Soyuz 7K-L3, a crewed lunar lander design type in Russia's Soyuz space program **

N1/L3 The Soviet crewed lunar programs were a series of programs pursued by the Soviet Union to land humans on the Moon, in competition with the United States Apollo program. The Soviet government publicly denied participating in such a competitio ...

, the Soviet crewed lunar landing program

Other modes of transportation

L3/33 The Carro Veloce 33 (CV 33) or L3/33 was a tankette originally built in 1933 and used by the Italian Army before and during World War II. It was based on the imported British Carden Loyd tankette (license-built by Italy as the CV 29). ...

and L3/35, Italian tankettes used in World War II * L03, a Chevrolet Small-Block engine model * Soviet submarine L-3, a 1931 Leninets class minelayer submarine *

SP&S Class L-3 Spokane, Portland and Seattle Railway's Class L-3 was a class of 4-4-0 steam locomotive A steam locomotive is a locomotive that provides the force to move itself and other vehicles by means of the expansion of steam. It is fuelled by burni ...

, an 1883 steam locomotives class *

L3 (New York City bus) The 14th Street Tunnel shutdown (also referred to as the L Project, the L train shutdown, or the Canarsie Tunnel reconstruction) was the partial closure and reconstruction of the New York City Subway's 14th Street Tunnel that took place from ...

, a temporary bus route in New York City * The Kingsford branch of the CBD and South East Light Rail in Sydney, Australia, is numbered L3

Other uses in science and technology

* L3, a form of

low-alloy special purpose steel Low-alloy special purpose steel is a grade of tool steel characterized by its proportion of iron to other elements, the kind of elements in its composition, and its treatment during the manufacturing process. The three ASTM ASTM International, ...

L3 (CERN) L3, L03, L.3 or L-3 may refer to: In arts and media * Live, Loud & Local, a show launched by band The Matches in the Oakland, California region * ''Leprechaun 3'', a film * L3-37, a droid in ''Solo: A Star Wars Story'' * Lower third, in televisio ...

, one of the four detectors of the Large Electron-Positron Collider * L³ (length^3),

volume Volume is a measure of occupied three-dimensional space. It is often quantified numerically using SI derived units (such as the cubic metre and litre) or by various imperial or US customary units (such as the gallon, quart, cubic inch). The de ...

* The third

Lagrange Point In celestial mechanics, the Lagrange points (; also Lagrangian points or libration points) are points of equilibrium for small-mass objects under the influence of two massive orbiting bodies. Mathematically, this involves the solution of th ...

in a gravitational system * Latitude/Longitude Locator, an

STS-32 STS-32 was the 33rd mission of NASA's Space Shuttle program, and the ninth launch of . Launched on January 9, 1990, it marked the first use of the Launch Complex 39A of Kennedy Space Center at since 1986; it also marked the first use of Mobil ...

Space Shuttle mission experiment