| Acronym | Definition |
|---|
| LRA | Lord's Resistance Army (rebel group in Uganda) |
| LRA | Louisiana Recovery Authority |
| LRA | Local Redevelopment Authority (Section 2910, Defense Base Closure and Realignment Act of 1990, as amended) |
| LRA | Local Registration Authority |
| LRA | Louisiana Restaurant Association |
| LRA | Local Reuse Authority |
| LRA | Lumped (Discrete) Raman Amplifier |
| LRA | Less Restrictive Alternative |
| LRA | Linear Regression Analysis |
| LRA | Lowry Redevelopment Authority (Aurora and Denver, Colorado) |
| LRA | Long-Range Aviation |
| LRA | Low-Range Radio Altimeter |
| LRA | Load Real Address (IBM) |
| LRA | Locked Rotor Amperage (compressors in air conditioning systems) |
| LRA | Last Room Available (hotels) |
| LRA | Loughton Residents Association (UK) |
| LRA | Landing Rights Airport |
| LRA | Local Reproduction Authorized |
| LRA | Length, Rotation, Angle |
| LRA | Landscape Reconstruction Algorithm |
| LRA | Long Range Attack |
| LRA | Live Rear Axle (automotive) |
| LRA | Low Rank Approximation |
| LRA | Line Replaceable Assembly |
| LRA | Lamp Rynearson and Associates, Inc (Omaha, NE) |
| LRA | Launcher Relay Assembly |
| LRA | Light Replaceable Assembly |
| LRA | Lowest Rate Available (hotel industry) |
| LRA | Launch Reference Altitude (missile testing) |
| LRA | Logistics Readiness Assessment |
| LRA | Litigation Risk Assessment |
| LRA | Luciferase Reporter Gene Assays |
| LRA | Lowest Repairable/Replacement Assembly |
| LRA | Logistics Review Activity |
| LRA | Land Registry Authority |
| LRA | Literacy Research Association (Oak Creek, WI) |
| LRA | Long Range Assignment (education) |