| LRG | Laboratory Reagent Grade 
| Others |
| LRG | Laboratory Retirees Group
| Others |
| LRG | Lake Rat Gang
| Others |
| LRG | Lakshmi Ramanapalyam Ramaswamy Govindaranjulu Naidu High School, Anantapur
| Others |
| LRG | Land Rover Gear
| Others |
| LRG | Land Rover Group
| Others |
| LRG | Large Rapidity Gap
| Others |
| LRG | Large Rim Group
| Others |
| LRG | Laser Ring Gyro
| Others |
| LRG | Lead Replacement Gasoline
| Others |
| LRG | Leader Role Game
| Others |
| LRG | Leichtman Research Group
| Others |
| LRG | Leo Roscoe And George
| Others |
| LRG | Leonard Resource Group
| Others |
| LRG | Leucine rich alpha 2 glycoprotein 1
| Others |
| LRG | Licensing Resource Group
| Others |
| LRG | Licensing Resource Group, Inc.
| Others |
| LRG | Life Raft Group
| Others |
| LRG | Lifted Research Group
| Others |
| LRG | Lightning Research Group
| Others |
| LRG | Linear Resolvent Growth
| Others |
| LRG | Liquefied Refinery Gases
| Others |
| LRG | Local Reference Group
| Others |
| LRG | Location Reference Group
| Others |
| LRG | Locus Reference Genomic
| Others |
| LRG | Logistics Review Group
| Others |
| LRG | London Reinsurance Group
| Others |
| LRG | London Rough Guide
| Others |
| LRG | Long-Range Aircraft
| Others |
| LRG | Lora Lai, Pakistan
| Others |
| LRG | Lotus Racing Green
| Others |
| LRG | Low Radius Of Gyration
| Others |
| LRG | Luminous Red Galaxy
| Others |
| LRG | Lynn Road Group
| Others |