| Acronym | Definition |
|---|
| PRRI➣Pemerintah Revolusioner Republik Indonesia (Indonesian: Revolutionary Government of the Republic of Indonesia) |
| PRRI➣Philippine Rice Research Institute |
| PRRI➣Public Research & Regulation Initiative |
| PRRI➣Princeton Reverb Reissue (Fender guitar amplifier) |
| PRRI➣Rural Policy Research Institute |
| PRRI➣Professional Relations and Research Institute, Inc |