| Acronym | Definition |
|---|
| RRPA➣Relativistic Random Phase Approximation |
| RRPA➣Rakino Ratepayers Association |
| RRPA➣Renormalized Random-Phase Approximation |
| RRPA➣River Region Performing Arts (Norco, LA) |
| RRPA➣Railroad Picture Archives (website) |
| RRPA➣Recombinant Replication Protein A (biology) |