| 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➣Location Refinement |
| LR➣Let's Rocket (Power Rangers) |
| 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 |
Lr - a radioactive transuranic element synthesized from californium