| LRT | Label Register And Type 
| Others |
| LRT | Laser Radio Terminal
| Others |
| LRT | Last ReTweet
| Others |
| LRT | Launch Recovery Transport
| Others |
| LRT | Leaders Round Table
| Others |
| LRT | Learning Resource Team
| Others |
| LRT | Learning Resources and Technologies
| Others |
| LRT | Lets Ram The Train
| Others |
| LRT | Lettering Reproduction Text
| Others |
| LRT | Lexus Remote Touch
| Others |
| LRT | Leyland Royal Tiger
| Others |
| LRT | Lietuvos Radijas ir Televizija
| Others |
| LRT | Light rail
| Others |
| LRT | Light Rail Transit
| Others |
| LRT | Light Rail Transportation
| Others |
| LRT | Light Rapid Transit
| Others |
| LRT | Likelihood Ratio Test
| Others |
| LRT | Lil Revolution Team
| Others |
| LRT | Link Redirect Trace
| Others |
| LRT | Link Research Tools
| Others |
| LRT | Little Red Truck
| Others |
| LRT | Little Round Things
| Others |
| LRT | Living Room Tour
| Others |
| LRT | Loan Recovery Target
| Others |
| LRT | Lobster Repair Technician
| Others |
| LRT | Locking Removable Tail
| Others |
| LRT | Log file (Yacc)
| Others |
| LRT | London Regional Transport
| Others |
| LRT | Long-Range Therapy
| Others |
| LRT | Loop Ring Toggle
| Others |
| LRT | Lorient, France
| Others |
| LRT | Lots of Raucous Times
| Others |
| LRT | Lotsa Room for Trees
| Others |
| LRT | Lower respiratory tract
| Others |