| Acronym | Definition |
|---|
| LT | Lieutenant |
| LT | Link Text (message boards) |
| LT | Luxury Touring (automotive model/feature) |
| LT | Left |
| LT | Lot |
| LT | Light |
| LT | Less Than (computer math) |
| LT | Long-Term |
| LT | Lithuania (ISO Country Identifier) |
| LT | Long-Time |
| LT | Laptop |
| LT | Lesotho |
| LT | Logitech |
| LT | Laut (German: according to) |
| LT | Local Time |
| LT | Leicester |
| LT | Less Than or equal to (computer math) |
| LT | Life Threatening |
| LT | Lake Tahoe (California/Nevada) |
| LT | Low Temperature |
| LT | Look Through (Intelligent Jammers) |
| LT | Lucent Technologies |
| LT | Leadership Team |
| LT | Looney Tunes |
| LT | Linus Torvalds (developer/author of the Linux Kernel) |
| LT | Left Tackle (football) |
| LT | Lote (Portuguese: lot; postal usage) |
| LT | Landtag (Legislative Body, Austria, Europe) |
| LT | Left Turn (Hyper Logo Turtle graphics command) |
| LT | Light Truck |
| LT | Last Trade (or trading day) |
| LT | Lead Time |
| LT | London Transport |
| LT | Lecture Theatre |
| LT | Line Type (AutoCAD) |
| LT | Light Trucks |
| LT | Lawrence Taylor (football player) |
| LT | Long Trail |
| LT | Leukotriene |
| LT | Latching |
| LT | Long Text |
| Lt | Leutnant (German: second lieutenant) |
| LT | Landing Team |
| LT | Ladanian Tomlinson (football player) |
| LT | Limited Too (store) |
| LT | Lost Temple (gaming) |
| LT | Long Tour |
| LT | Low Tension |
| LT | Lung Transplantation |
| LT | Letter of Transmittal |
| LT | Long Ton |
| LT | Lower Tray |
| LT | Leak Testing |
| LT | Line Terminal |
| LT | Latina, Lazio (Italian province) |
| LT | Limited Term |
| LT | Live Training |
| LT | Linear Transformation (linear algebra) |
| LT | Laplace Transform (mathematics) |
| LT | LaGrande Technology (Intel) |
| LT | Lashkar-e-Tayyiba (Kashmiri-focused militant group) |
| LT | Level Transmitter |
| LT | Lorentz Transformation |
| LT | Logic Theory |
| LT | Lakeland Terrier |
| LT | Las Trampas (California) |
| LT | Lead Technician |
| LT | Length of Track |
| LT | Liner Terms (shipping) |
| LT | Lindsay Taylor (basketball) |
| LT | Lorien Trust |
| LT | Lifetap (MMORPG games) |
| LT | Last Telecast |
| LT | Leadership Trainer |
| LT | Lactate Threshhold |
| LT | Logical Topology |
| LT | Lady of the Thistle |
| LT | Long Transverse (raw metal piece width) |
| LT | Los Alamos Technical Associates |
| LT | Latent Trait |
| LT | Lodge Treasurer (Order of the Arrow, Boy Scouts of America) |
| LT | Long-Range Transmitter |
| LT | Lufttransport AS (Norway) |
| LT | Lockout/Tagout Training |
| LT | Laser Trooper (Star Kingdoms game) |
| LT | Lake Terminal Railroad Company |
| LT | Live Trend |
| LT | Liquid Thinking (web integration, design and consulting company) |
| LT | Loudest Talker (voice conferencing algorithm) |
| LT | Linetroll (Fault Passage Indicator; Nortroll AS, Norway) |
| LT | Turn Left After Takeoff |
| LT | LON-Talk Protocol |
| LT | Lubrication Threads (SAE) |
| LT | Lamar Transform |