LT

LT may refer to:

Companies and organisations

LTU International, a German airline (IATA code LT)
Air Lituanica, a Lithuanian airline (IATA code LT)
LJ Air, a Chinese airline (IATA code LT)
Larsen & Toubro, an Indian engineering conglomerate, officially known as L&T
Life Teen, a Roman Catholic organization for youth ministry
London Transport (brand), the name for various transport authorities
Lord & Taylor, a North American luxury department store chain
Lorien Trust, a company that runs live roleplaying games
Lucent Technologies (old company), which merged with Alcatel to form Alcatel-Lucent

Lactate threshold, a measurement used by athletes to determine the amount of strenuous work capable by their muscles
Lymphotoxin, a cytokine
Gallid alphaherpesvirus 1, the cause of infectious laryngotracheitis in poultry
SV40 large T antigen, a proto-oncogene derived from polyomavirus SV40
Heat-labile enterotoxin, a toxin produced by enterotoxigenic Escherichia coli

.lt, Internet country code top-level domain for Lithuania
LaGrande Technology, former name for the Trusted Execution Technology (Intel's implementation of Trusted Computing)
Left total, in sound recording, the left channel of the stereo Left total/Right total downmix
Lightning Talk, a very short presentation lasting only a few minutes, given at a conference or similar forum.
Linear Technology, manufacturer of integrated circuits
Link Training, process by which the transmitter and receiver on a high-speed serial link communicate with each other in order to tune their equalization settings
Logic Theorist, a computer program written in 1955–56 to prove mathematical theorems; called "the first artificial intelligence program"
LanguageTool, an extension for many web browsers

Laplace transform
Less than
Logic Theorist, a computer program written in 1955–56 to prove mathematical theorems; called "the first artificial intelligence program"
Lorentz transformation

LT, a type of London bus
LT (car), an early Swedish automobile
LT, a trim level for Chevrolet vehicles
GM LT1 engine several engines by General Motors
Lincoln Mark LT
Volkswagen LT, a light truck
McLaren 675LT, a British supercar
Logistics Trainer, code name for the Lockheed F-117 Nighthawk stealth attack aircraft

Ladytron, a British electronic band
Lawrence Taylor, retired American football outside linebacker
LaDainian Tomlinson, retired American football running back
Lead time, the latency between initiation and execution, as in supply chain management
Left tackle, a position in American and Canadian football
Lieutenant, sometimes abbreviated as Lt, Lt. Lieut, and similar
Lisbon Treaty, a 2007 agreement amending the constitutional basis of the European Union
Lithuanian language (ISO 639-1 code)
Lithuanian litas (Lt), former currency of Lithuania, replaced by the Euro in 2015
Living Things (Linkin Park album), 2012
Local Time, in the context of time zones
Looney Tunes, theatrical cartoon series
Lorna Tolentino (born 1961), Filipina actress with her screen name L.T.
Louis Tomlinson (born 1991), a British singer, songwriter