| Acronym | Definition |
|---|
| APRI➣American Prosecutors Research Institute |
| APRI➣AIDS Project Rhode Island |
| APRI➣America's Pet Registry, Inc. (Harvey, AR) |
| APRI➣Advanced Projects Research, Incorporated |
| APRI➣Animal Production Research Institute |
| APRI➣Associazione dei Precari della Ricerca Italiani (Italian: Italian Association of Precarious Research; est. 2008) |
| APRI➣AST (Aspartate Aminotransferase) Platelet Ratio Index (fibrosis) |
| APRI➣Atlanta Public Radio Initiative |
| APRI➣Air Priority |