| Acronym | Definition |
|---|
| RRSA➣Rights Respecting School Award (UK; UNICEF) |
| RRSA➣Rapid Rural Systems Appraisal |
| RRSA➣Rural Road Service Area (Alaska) |
| RRSA➣Reliability-Related Safety Analysis |
| RRSA➣Rapid Response Set-Aside (Massachusetts) |
| RRSA➣Recombinant Rabbit Serum Albumin |