| RLM | Radio Le Mans 
| Others |
| RLM | Rain Light Module
| Others |
| RLM | Rashtriya Loktantrik Morcha
| Others |
| RLM | Real Life Ministries
| Others |
| RLM | Receiver Driven Layered Multicast
| Others |
| RLM | Reciprocal Link Manager
| Others |
| RLM | Recoverable Lock Manager
| Others |
| RLM | Red Letter Media
| Others |
| RLM | Redundant Link Manager
| Others |
| RLM | Reflective Luminaire Manufacturer
| Others |
| RLM | Reflectivie Luminaire Manufacturer
| Others |
| RLM | Reflector Luminaire Manufacturer
| Others |
| RLM | Relational Layout Model
| Others |
| RLM | Relocatable Logic Module
| Others |
| RLM | Remote Line Module
| Others |
| RLM | Remote Line Monitor
| Others |
| RLM | Remote Link Manager
| Others |
| RLM | Repeater Link Mail
| Others |
| RLM | Reprise License Manager
| Others |
| RLM | Resource Library Magazine
| Others |
| RLM | Responsible Line Manager
| Others |
| RLM | Ricardo Levins Morales
| Others |
| RLM | Ridiculously Large Missile
| Others |
| RLM | Right to Left Mark
| Others |
| RLM | Right to Life of Michigan
| Others |
| RLM | Road to Lab to Math
| Others |
| RLM | Roberts Liardon Ministries
| Others |
| RLM | Robotic Library Manager
| Others |
| RLM | Robust Linear Method
| Others |
| RLM | Robust Linear Models
| Others |
| RLM | Romantic Loving Man
| Others |
| RLM | Ross Langan and McKendree
| Others |
| RLM | Rotary Log Mill
| Others |
| RLM | Runtime Link Manager
| Others |