| Acronym | Definition |
|---|
| RRSD➣Roanoke Rapids Sanitary District (Roanoke Rapids, NC) |
| RRSD➣Rolling River School Division (Manitoba, Canada) |
| RRSD➣River Ridge School District (Wisconsin) |
| RRSD➣Robotics and Remote Systems Division (American Nuclear Society) |
| RRSD➣Risk Reduction and System Definition (US Air Force) |
| RRSD➣Research Rapid Scan Day |
| RRSD➣Relative Risk Standard Deviation |