English abbreviations from prr to pru
- PRR (Paruima Airport)
- PRRAC (Poverty and Race Research Action Council)
- PRRB (Provider reimbursement review board)
- PRRIS (Puerto Rican Radar Integration System)
- PRRL (Personnel Resource Requirements List)
- PRRR (Passaic River Restoration Reporter)
- PRS (Pseudo-Random Sequence)
- PRSC (Parametric Response Surface Control)
- PRSH (Pittsburgh Radio Supply House)
- PRSL (Primary Zone/switch Location)
- PRSRE (Pressure Gauge Report)
- PRT (Physical Readiness Test)
- PRTF (Personnel Recovery Task Force)
- PRTP (Peer Review of Teaching Project)
- PRU (Pupil Referral Unit)