| Acronym | Definition |
|---|
| RPSA | Radio Public Service Announcement |
| RPSA | ribosomal protein SA |
| RPSA | Ricoh Printing Systems America, Inc. |
| RPSA | Royal Photographic Society of Azeroth (World of Warcraft) |
| RPSA | Rail Passenger Service Act of 1970 |
| RPSA | Rapid Pressure Swing Adsorption |
| RPSA | Rocky Point Sailing Association (Canada) |
| RPSA | Redundant Power Supply Adapter |
| RPSA | Reader Profile Study Area |
| RPSA | Rowset Partitioning and Submatrix Agglomeration |
| RPSA | Russian Political Science Association |
| RPSA | Roton Point Sailing Association (Rowayton, CT) |
| RPSA | Rochester Professional Sales Association (New York) |
| RPSA | Rigelian Protectorate Space Arm |
| RPSA | RPS Associates |
| RPSA | Real Property Services Agreement |
| RPSA | Recovery Procedure Selection Application |
| RPSA | Real Property Senior Appraiser (SCAAO) |
| RPSA | Reaves Park Softball Association (Norman, OK) |
| RPSA | Rickmansworth Park School Association (UK) |
| RPSA | Regional Process Service Academy |
| RPSA | Resident Physician Spouse Alliance |
| RPSA | Ronald P Sorce Architects (Arlington Heights, IL) |
| RPSA | Religious Programs Specialist Apprentice |
| RPSA | Rehabilitation of Professional Schools in Afghan |
| RPSA | Residents Parking Scheme Area |