| Acronym | Definition |
|---|
| RL | Radio Liberty |
| RL | Ralph Lauren |
| RL | Real Life (as opposed to the Internet) |
| RL | Red Line (Hot Wheels cars) |
| RL | Raid Leader (online role playing) |
| RL | Red Lobster (seafood restaurant) |
| RL | Rear Left (automotive) |
| RL | Reverse Logistics |
| RL | Loan Repayment |
| RL | Record Length |
| RL | Read List (Hyper Logo Turtle graphics command) |
| RL | Random Length (flooring) |
| RL | Réseau Local (French: Local Area Network) |
| RL | Red Low |
| RL | Red Lantern (restaurant) |
| RL | Radio Libertaire (French radio station) |
| RL | Rebel Legion (Star Wars costuming group) |
| RL | Roue Libre (French: Freewheel) |
| RL | Readiness Level |
| RL | Roof Level |
| RL | Residual Life |
| RL | Receive Location |
| RL | Reckless Life (Guns N' Roses song) |
| RL | Rainfed Lowland |
| RL | Republique Libanaise |
| RL | Retry Later |
| RL | Réflexion Lumineuse (French: Light Reflection) |
| RL | Recovery Language |
| RL | René Loyon (French theater director) |
| RL | Revenue Ledger |
| RL | Realschullehrer/In |
| RL | Restoral Limit |
| RL | Registered Landman (American Association of Professional Landmen) |
| RL | Rune Legion (RuneScape website) |
| RL | Rotary Lodge |
| RL | Relocation Library |
| RL | Richland Area Office (DOE) |
| RL | Regular-Leaved (tomato plants) |
| RL | US Revenue Customs Fee (Scott Catalogue prefix; philately) |
| RL | Reinstatement Letter (insurance) |
| RL | Reinvention Laboratory |
| RL | Release Line |
| RL | Rental Policy (insurance) |
| RL | Report Leaving |
| RL | Requirement List |
| RL | Reservation Level |
| RL | Retention Level |
| RL | Return Loss |
| RL | Ringer's Lactate |
| RL | Rocket Launcher |
| RL | Rome Laboratories |
| RL | Reporting Limit |
| RL | Removed Layer |
| RL | Reduced Level (surveying, construction) |
| RL | Rugby League |
| RL | Richland Operations Office (Department of Energy) |
| RL | Runway Light |
| RL | Right Limit |
| RL | Research Lab |
| RL | Registered Locksmith |
| Rl | Rials (currency of the Islamic Republic of Iran) |
| RL | Register Load |
| RL | Reinforcement Learning |
| RL | Rewriting Logic |
| RL | Remote Loopback |
| RL | Remus Lupin (character from Harry Potter) |
| RL | Router Links (OSPF) |
| RL | Responsabilidad Limitada (Guatemala) |
| RL | Root Length |
| RL | Research Library (Microsoft) |
| RL | Return Link(s) |