| Acronym | Definition |
|---|
| RIAP➣Research Institute for Asia and the Pacific |
| RIAP➣Research Institute on Anomalous Phenomena |
| RIAP➣Reading Institute for Academic Preparation |
| RIAP➣Research Intelligence Analyst Program (Mercyhurst College) |
| RIAP➣Research Institute of Animal Production |
| RIAP➣Rorschach Interpretation Assistance Program (psychology software) |
| RIAP➣Rapid Immune Alkaline Phosphatase |