LA
- l8r, g8r – (a) later, gator
- la – (s) Latin language (ISO 639-1 code)
- La – (s) Lanthanum
- LA
- (s) Laos (FIPS 10-4 country code; ISO 3166 digram)
- Louisiana (postal symbol)
- (i) Los Angeles
- LAAS
- (i) Local Area Augmentation System
- Los Angeles Astronomical Society
- LAB – (a) Logistics Assault Base
- LabVIEW – (p) Laboratory Virtual Instrumentation Engineering Workbench
- LACMA – (a/i) Los Angeles County Museum of Art
- LAD – (a) Laser Aiming Device
- LADW – (i) Local Air Defence Warning
- LAESI – (i) Local Authority & Emergency Service Information
- LAK – (s) Laotian kip (ISO 4217 currency code)
- LAMP – (multiple meanings)
- LAN – (a) Local Area Network
- LANL – (i) Los Alamos National Laboratory
- lao – (s) Lao language (ISO 639-2 code)
- LAO – (s) Laos (ISO 3166 trigram)
- LAPD – (i) Los Angeles Police Department
- LAR
- (i) Light Armoured Reconnaissance
- Logistics Assistance Representative
- LARC – (a) Livermore Advanced Research Computer (cf. LLNL)
- LARP – (a) Live-Action Role-Playing
- LAS – (s) McCarran International Airport (Las Vegas, Nevada)
- Laser – (a) Light Amplification by Stimulated Emission of Radiation (cf. Maser)
- lat – (s) Latin language (ISO 639-2 code)
- LAT
- (i/a) Lowest Astronomical Tide (nautical charts)
- Licensed Athletic Trainer (used in many of the United States; see www.oata.org)
- LATA – (i) Local Access Transport Area
- LATCH – (p) Lower Anchors and Tethers for Children (U.S. standard for attachment points for child safety seats in passenger cars)
- lav – (s) Latvian language (ISO 639-2 code)
- LAV
- (a) Land Assault Vehicle
- Light Armoured Vehicle
- Lymphadenopathy-Associated Virus
- LAW – (a) Light Antitank Weapon
- LAX
- (s) Los Angeles International Airport
- (i) The Latin American Xchange (professional wrestling)
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