| PRRI | Princeton Reverb Reissue (Fender guitar amplifier) | Princeton Reverb Reissue（Fender吉他放大器） |
| PRRI | Rural Policy Research Institute | 农村政策研究所 |
| PRRI | Professional Relations and Research Institute, Inc | 专业关系研究所 |
| PRRI | Public Research & Regulation Initiative | 公共研发规定主动权 |
| PRRI | Pemerintah Revolusioner Republik Indonesia | 印度尼西亚共和国革命政府 |
| PRRI | Philippine Rice Research Institute | 菲律宾水稻研究所 |