List of acronyms: L
(Main list of acronyms)
LA
- l8r, g8r – later, gator
- la – Latin language
- La – Lanthanum
- LA
- * Laos
- * Louisiana
- * Los Angeles
- LAAS
- * Local Area Augmentation System
- * Los Angeles Astronomical Society
- LAB – Logistics Assault Base
- LabVIEW – Laboratory Virtual Instrumentation Engineering Workbench
- LACMA – Los Angeles County Museum of Art
- LAD – Laser Aiming Device
- LADW – Local Air Defence Warning
- LAESI – Local Authority & Emergency Service Information
- LAK – Laotian kip
- LAMP –
- LAN – Local Area Network
- LANL – Los Alamos National Laboratory
- lao – Lao language
- LAO – Laos
- LAPD – Los Angeles Police Department
- LAR
- * Light Armoured Reconnaissance
- * Logistics Assistance Representative
- LARC – Livermore Advanced Research Computer
- LARP – Live-Action Role-Playing
- LAS – McCarran International Airport
- Laser – Light Amplification by Stimulated Emission of Radiation
- lat – Latin language
- LAT
- * Lowest Astronomical Tide
- * Licensed Athletic Trainer
- LATA – Local Access Transport Area
- LATCH – Lower Anchors and Tethers for Children
- lav – Latvian language
- LAV
- * Land Assault Vehicle
- * Light Armoured Vehicle
- * Lymphadenopathy-Associated Virus
- LAW] – Light Antitank Weapon
- LAX
- * Los Angeles International Airport
- * The Latin American Xchange
LB
- lb
- * pound
- * Luxembourgish language
- LB – Lebanon
- LBH
- * Light Battlefield Helicopter
- * Lyman-Birge-Hopfield bands
- LBJ
- * Lady Bird Johnson
- * LeBron James
- * Light Bulb Joke
- * Little Beagle Johnson
- * Lyndon Baines Johnson
- LBN – Lebanon
- LBNL – Lawrence Berkeley National Laboratory
- LBP – Lebanese pound
- LBR – Liberia
- LBS – Location-based service
- lbs – pounds
- LBT – Large Binocular Telescope
- LBW – Leg Before Wicket
- LBY – Libya
LC
- LC – Line of Contact – Saint Lucia
- LC2IEDM or LC2IEDM – Land C2IEDM
- LCA
- * Saint Lucia
- * Larnaca International Airport
- LCC – Land Component Commander
- LCCP – Light Contingency Communications Package
- LCD – Liquid Crystal Display
- LCE – Leaving Certificate Examination – Load Carrying Equipment – London Commodity Exchange
- LCM – Least/Lowest Common Multiple
- LCol – Lieutenant-Colonel
- LCS - League of Legends Championship Series
LD
- LD
- * Laser Designator
- * Limited Deployment
- * Line of Departure
- LDA – Lateral Drift Apparatus
- LDAP – Lightweight Directory Access Protocol
- LDC – Lesser Developing/Developed Country
- LDE - Tarbes–Lourdes–Pyrénées Airport
- LDL – Low-Density Lipoprotein
- LDMOS – Laterally diffused MOS transistor
- LDS
- * Latter-day Saint ; also used as an abbreviation by the Church of Jesus Christ of Latter-day Saints
- * Liberal Democracy of Slovenia
- LDV – Local Defence Volunteers
- LDW – Lane Departure Warning
LE
- LE – Lebanon
- LEC – Local Exchange Carrier
- LED – Light-Emitting Diode
- Legs – level emotion gad speed
- LEGAD – Legal Advice
- LEMOSS – Long-Endurance MObile Submarine Simulator
- LEN – Large Extension Node
- LEO – Low Earth orbit
- LEP – Large Electron-Positron collider
- LER – Loss-Exchange Ratio
- LEU – Low-Enriched Uranium
LF
- LF – Low Frequency
- LFG - Let's F***ing Go!
- LFO – Low Frequency Oscillation / Oscillator
- LFTR – Liquid fluoride thorium reactor
LG
- lg – Luganda
- LG – Latvia
- LGB
- * Lesbian, Gay, Bisexual
- * Laser-guided bomb, self-explanatory
- LGBT – Lesbian, Gay, Bisexual, Transgender
- * LGBTI - Lesbian, Gay, Bi, Transgender, Intersex
- * LGBTQ - Lesbian, Gay, Bi, Transgender, Queer
- * LGBTQIA - the A standing for "asexual", "aromantic", or "agender"
- LGLO – Love God, Love Others
- LGLO's – Latino Greek Lettered Organizations
- LGM
- * Little Green Men
- * Land-based Guided Missile, US military designation for guided missiles launched from ground silos, mostly used to talk about ICBMs like LGM-30 Minuteman
- LGS – Landsat Ground Station
LH
- LH
- * Lithuania
- * Luteinising Hormone
- * Lufthansa
- LHC – Large Hadron Collider
- LHD
- * litterarum humaniorum doctor
- * Left-Hand Drive
- * Landing Helicopter Dock
- LHS – Left Hand Side
LI
- li – Limburgish language
- Li – Lithium
- LI – Fifty-one – Liberia – Liechtenstein
- Libor – London Interbank Offered Rate
- LIBS – Laser Induced Breakdown Spectroscopy
- LIE – Liechtenstein
- LIFO – Last In, First Out
- LIGO – Laser Interferometer Gravitational-Wave Observatory
- LIJ – Los Ingobernables de Japón, Japanese professional wrestling stable
- lim – Limburgish language
- lin – Lingala language
- LINEAR – Lincoln Near-Earth Asteroid Research
- LiP, LIP – Lithium ion polymer battery
- LISA – Laser Interferometer Space Antenna
- lit – Lithuanian language
- LITAS – Low Intensity Two Colour Approach System
- LIVE – Liquid Inertial Vibration Eliminator
LJ
- LJ
- * La Jolla
- * Larry Johnson
- * LaserJet
- * Library Journal
- * Linux Journal
- * LiveJournal
- * Ljubljana
- * Lord Justice of Appeal
- * Sierra National Airlines
- LJJ – Lord Justices of Appeal
LK
- LK – Sri Lanka
- LKA – Sri Lanka
- LKL – Lietuvos krepšinio lyga
- LKR – Sri Lanka rupee
- LKR4 – Linkwitz-Riley 4th order
LL
- l. l. – loco laudato
- LL
- * Land Line
- * Last Log
- * Late Latin
- * Laws, esp. both Laws
- * Left Limit
- * Lex Luthor
- * Light Line
- * Limited Liability
- * Lines** Linked List
- * Little League
- * Low Latin
- * Liberland
- LLAD – Low Level Air Defence
- LLB – Legum Baccalaureus
- LLC – Limited Liability Company
- LLGC – Llyfrgell Genedlaethol Cymru – London Lesbian and Gay Centre
- LLLTV – Low-Light Level Television
- LLNL – Lawrence Livermore National Laboratory
- LLP – Limited Liability Partnership
- LLTI – Limiting Long-Term Illness – Long Lead Time Item
- LLTR – Low-Level Transit Route
LM
- LMAO – Laughing My Ass Off
- LMFAO – Laughing My F**king Ass Off
- LMB – Lick My Balls
- LMN – Lifetime Movie Network
- LMS – London Mathematical Society – London, Midland and Scottish
- LMS – Like My Status
- LMV - Light Motor Vehicle
LN
- ln
- * Lingala language
- * Natural logarithm
- LNB
- * Liga Nacional de Básquet
- * Ligue Nationale de Basketball
- * Low-Noise Block
- LNER
- * London and North Eastern Railway railway operator from 1923 until 1947 in the United Kingdom
- * London North Eastern Railway railway operator established in 2018 in the United Kingdom
- LNG – Liquefied Natural Gas
- LNO – Liaison Officer
- LNR – ''Ligue Nationale de Rugby''
LO
- lo – Lao language
- LO – Slovakia
- LOA – Limit Of Advance
- LOC
- * Level of Operational Capability
- * Limited Operational Capability
- * Lines Of Code
- * Lines Of Communication
- * see entry
- LOD
- * Legion of Doom, referring to any of the following:
- ** A group of DC Comics supervillains
- ** A hacker group
- ** A group of Philadelphia Flyers ice hockey players in the 1990s
- ** The Road Warriors, a professional wrestling tag team that used the name "Legion of Doom" when performing in the WWF/WWE
- * Limit of Detection – see Detection limit
- LoD – Lines of Development
- LOFAR – Low Frequency Analyzer and Recorder / Low Frequency Analysis and Recording in sonar systems
- LOGPAC – Logistics Package
- LOL – Laughing Out Loud
- LOMEZ – Low Altitude Missile Engagement Zone
- LONEOS – Lowell Observatory Near-Earth-Object Search
- LOOGY – Lefty One-Out Gu'Y', a sometimes pejorative nickname for the left-handed specialist in baseball
- loq – loquitur
- LORTID – LOng Range Target IDentification
- LOS – Line Of Sight
- LOSAT – Line-Of-Sight Anti-Tank
- LOTA – Licentiate of the Orthodontic Technicians Association
- LOTIS – Livermore Optical Transient Imaging System
- LOTR or LotR – Lord of the Rings
- LOTS – Logistics Over-The-Shore
LP
- LP
- * Linkin Park
- * Linkup Point
- * Listening Post
- * Long Playing (record)
- * Louisiana Pacific
- LPC – Linear Predictive Coding
- LPD
- * Landing Platform Dock
- * Low Probability of Detection
- LPG – Liquefied Petroleum Gas
- LPI – Low Probability of Intercept
- LPS
- * Landsat Processing System
- * LipoPolySaccharide
LQ
LR
- Lr – Lawrencium
- LR – Liberia
- LRAD – Long Range Acoustic Device
- LRAS3 or LRAS3 – Long Range Advanced Scout Surveillance System
- LR-ATGW – Long-Range Anti-Tank Guided Weapon
- LRC – Logistics Readiness Center
- LRD – Liberian dollar
- LRF – Laser rangefinder – Low Readiness Forces
- LRGW – Long-Range Guided Weapon
- LRICBM – Limited Range ICBM
- LRIP – Low Rate Initial Production
- LRP – Logistics Release Point
- LRPE – Long-Range Planning Element
- LRS – Long Range Surveillance
- LRU – Line-Replaceable Unit
LS
- L.S. – Lectori Salutem
- LS
- * Landing Support
- * Lesotho
- * Liechtenstein
- * locus sigilli
- LSAT – Law School Admission Test
- LSD
- * Landing Ship, Dock
- * librae, solidii, denarii
- * lyserg-saüre-dietylamid
- LSE
- * Least Squares Estimate/Error
- * London School of Economics
- * London Stock Exchange
- LSI – Large-Scale Integration
- LSIF – Labour Sponsored Investment Fund
- LSL – Lesotho loti
- LSND – Liquid Scintillator Neutrino Detector
- LSO – Lesotho
- LSST – Large Synoptic Survey Telescope
- LST – Landing Ship, Tank
- LSVW – Light Support Vehicle, Wheeled
LT
- lt – Lithuanian language
- Lt – Lieutenant
- LtC – Lieutenant-Colonel
- LT – Lesotho – Lithuania
- LTC – Long-Term Costing
- Ltd – Limited
- LTDP – Long-Term Defence Plan
- LTG – Lieutenant General – Lightning
- LTI – Linear Time-Invariant
- LTL – Lithuanian litas
- LTM – Acronym for Laughing To Myself
- LTO - Long Term Occasional
- LTP – Long-Term Potentiation
- LTU – Lithuania
- ltz – Luxembourgish language
LU
- lu – Tshiluba language
- Lu – Lutetium
- LU
- * Lefèvre Utile, a French brand of biscuits/cookies
- * Loonatics Unleashed
- * Love You
- lub – Tshiluba language
- LUCA – Last Universal Common Ancestor
- lug – Luganda
- LUG – Linux User Group
- LULU – Locally Unwanted Land Use
- LUT – Limited User Test – Local User Terminal
- LUVW – Light Utility Vehicle, Wheeled
- LUX – Luxembourg
LV
- lv – Latvian language
- LV
- * Las Vegas
- * Latvia
- * Launch Vehicle
- * Leading Vehicle
- * Leave
- * Left Ventricle
- * Level Valve
- * Linking Verb
- * Liverpool Victoria
- LVA – Latvia
- LVAD
- * Left Ventricular Assist Device
- * Low-Velocity Airdrop
- LVEF – Left Ventricular Ejection Fraction
- LVL – Latvian lats
LW
- Lw – Lawrencium
- LW
- * Land Warrior
- * Low Water
- LWO - Latino World Order Laser warning receiver
- * Light-water reactor
- LWRC – Land Warfare Resources Corporation
- LWS – Land Warrior System
LX
LY
LZ
- LZ – Bulgaria – Landing Zone