| Acronym | Definition |
|---|
| RRS | Royal Regiment of Scotland (UK) |
| RRS | Racing Rules of Sailing (international rules for racing sailboats) |
| RRS | Range Rover Sport (car) |
| RRS | Regional Remote Sensing (Tucson, AZ) |
| RRS | Road Racing Series |
| RRS | Rational Response Squad |
| RRS | Roundup Ready Soybean (agriculture) |
| RRS | Round Robin Scheduler (software) |
| RRS | Resource Recovery Services |
| RRS | Remote Registry Service |
| RRS | Renal Risk Stratification |
| RRS | Radon Reduction System (various companies) |
| RRS | Registered Relocation Specialist |
| RRS | Rack Room Shoes |
| RRS | Royal Research Ship |
| RRS | Reduced Residue System (mathematics) |
| RRS | Réseaux de Réussite Scolaire (French: Academic Success Network) |
| RRS | Rapid Response System |
| RRS | Request Routing System (computing) |
| RRS | Radiation Research Society |
| RRS | Revell Research Systems (UK) |
| RRS | Resource Recovery Services (IBM) |
| RRS | Rapid Response Service |
| RRS | Resource and Referral Service |
| RRS | Recruiting and Retention School |
| RRS | Rome Research Site |
| RRS | Rational Robust and Secure (negotiations in multi-agent systems) |
| RRS | Risk Reduction Strategy |
| RRS | Resonant Raman Scattering |
| RRS | Remote Replication System |
| RRS | Road Restraint System |
| RRS | Registration Repository System |
| RRS | Rallye Racing Sport (French sports equipment retailer) |
| RRS | Remote Receiving Station |
| RRS | Raise Responsibility System (motivational discipline and learning system) |
| RRS | Regional Research Site |
| RRS | Recovery of RNA Synthesis |
| RRS | Radio Relay Squadron |
| RRS | Register Reuse Scheduling |
| RRS | Remote Radio Site |
| RRS | route reflector server |
| RRS | Rural Radio Service |
| RRS | Replicate Replication Server |
| RRS | Resource Reporting System (US FDA) |
| RRS | Retrograde Rocket System |
| RRS | Regulatory Reform Staff (US EPA) |
| RRS | Restraint Release System |
| RRS | Retired Reserve Section |
| RRS | Rotor Resistance Starting |
| RRS | Radio Repeater Set |
| RRS | Readiness Reportable Status |
| RRS | Retarder Response System |
| RRS | Retarder Response Solenoid |
| RRS | Remainder of Route Same |
| RRS | Receive Repair System |
| RRS | Randomly Rough Surface |