| Acronym | Definition |
|---|
| LR | Living Room |
| LR | Lower Right |
| LR | Left Rear |
| LR | Long Rifle |
| LR | Land Rover |
| LR | Liberia (country code, top level domain) |
| LR | Lloyd's Register (various locations) |
| LR | Likelihood Ratio |
| LR | Long-Range |
| LR | Learning Resources |
| LR | Live Rock (type of coral rubble used in aquariums) |
| LR | Line Running (US DoD) |
| LR | Long Reach (fiber) |
| LR | Logistic Regression (statistical analysis) |
| LR | Lower Risk (IUCN Red List of Threatened Species category) |
| LR | Linear Regression |
| LR | Laser Rangefinder |
| LR | Light Rail |
| LR | Lipid Raft |
| LR | LoadRunner (testing software from Mercury Interactive) |
| LR | La Rioja (Argentina Province, airline code) |
| LR | Labor Relations |
| LR | Lawrencium |
| LR | Labrador Retriever |
| LR | Lessor (IRB) |
| LR | Loss Ratio |
| LR | Lärarnas Riksförbund (Sweden) |
| LR | Limited Review (various organizations) |
| LR | Language Resources |
| LR | La Resistance (wrestling tag team) |
| LR | Low Rider |
| LR | Linear Response |
| LR | Lloyd's Register of Shipping |
| LR | Lode Runner (game) |
| LR | Left Rudder (aviation) |
| LR | Location Register |
| LR | Left Recursive (grammar parsing) |
| LR | Last Ride (wrestling finishing move) |
| LR | Lactated Ringers |
| LR | Line Receiver |
| LR | Landing Radar (US NASA) |
| LR | Lease Rental |
| LR | Lapse Rate |
| LR | Long Radius (pipe elbow) |
| LR | Limited Release |
| LR | Latching Relay |
| LR | Lightspeed Rescue (Power Rangers) |
| LR | Lineas Aereas Costarricenses (Costa Rica, IATA airline code) |
| LR | Lovely Rita (Beatles song) |
| LR | Level Recorder |
| LR | Loudness Rating |
| LR | Latvian Republic |
| LR | Line Relay |
| LR | Line Repeater |
| LR | Low Release |
| LR | Let Ring (guitar playing technique) |
| LR | Low Rate Data (observations taken once every ten seconds) |
| LR | Lethal Radius |
| LR | Labelled Release |
| LR | Line Reversal |
| LR | Letter Requirement |
| LR | Lorry Receipt |
| LR | Lex Romana (Latin: Roman Law, epigraphy) |
| LR | Luther Reigns (WWE wrestler) |
| LR | Local Repeater |
| LR | Linked Ring |
| LR | Low Repetitive |
| LR | Logical Region (US Army battle field modeling) |
| LR | Let's Rocket (Power Rangers) |
| LR | Location Refinement |
| LR | Lake Rathetear (Everquest) |
| LR | Ladies Representative (colleges of India) |
| LR | Leave Rations |
| LR | Logger's Run (amusement park ride) |
| LR | Luise-Reggiannini (synchronization algorithm) |
| LR | Liceo Rotterdam (Guatemala school) |
| LR | Labor Recap Report |