| RAAS | Ransomware as a Service 
| Others |
| RAAS | Rare Antibody Antigen Supply
| Others |
| RAAS | Recommendation as a Service
| Others |
| RAAS | Recovery as a Service
| Others |
| RAAS | Regione Autonoma Atlantico Sud
| Others |
| RAAS | Registration as a Service
| Others |
| RAAS | Regulatory Audit Archive System
| Others |
| RAAS | Renin Aldosterone Angiotensin System
| Others |
| RAAS | Renin Angiotensin Aldosterone System
| Others |
| RAAS | Renin-Angiotensin-Aldosterone System
| Others |
| RAAS | Resale As A Service
| Others |
| RAAS | Research Advancement Award Scheme
| Others |
| RAAS | Resort Accommodation and Sales
| Others |
| RAAS | Resource Adequacy Analysis Subcommittee
| Others |
| RAAS | Responsive As A Service
| Others |
| RAAS | Rest Assured Allan S
| Others |
| RAAS | Results As A Service
| Others |
| RAAS | Retail As A Service
| Others |
| RAAS | Retirement Application Assistance Sessions
| Others |
| RAAS | Revised Adult Attachment Scale
| Others |
| RAAS | Risk Assessment and Application System
| Others |
| RAAS | Robot As A Service
| Others |
| RAAS | Robotics Algorithms Autonomous Systems
| Others |
| RAAS | Runway Awareness and Advisory System
| Others |