RPAA
| Acronym | Definition |
|---|---|
| RPAA | Regional Planning Association of America (urban planning) |
| RPAA | Riordan Programs Alumni Association |
| RPAA | Role Playing Addicts Anonymous (gaming clan) |
| RPAA | Real Property Administration Assessment (education program; Seneca; Canada) |
| RPAA | Reel Position Aft Actuator |
| RPAA | Ruminally Protected Amino Acid |