Abbreviations beginning with p

PRRPure Reason Revolution (band)
Miscellaneous

PRRConsolidated Rail Corporation
Regional » Railroads

PRRPennsylvania RailRoad
Regional » Railroads

PRRPennsylvania Railroad (Norfolk Southern)
Regional » Railroads

PRRPennsylvania RailRoad (now ConRail)
Regional » Railroads

PRRPeoples Republic of Romania
Regional » Countries

PRRPro Racing Research
Sports » Racing

PRR(s)pathogen recognition receptor(s)
Medical

PRRAProstate-Restricted Replicative Adenovirus (prostate cancer)
Academic & Science

PRRAPuerto Rico Reconstruction Administration
Academic & Science

PRRAPrice River Resource Area (Utah)
Community

PRRAPre-Removal Risk Assessment (Canadian immigration)
Governmental

PRRAPassaic River Rowing Association (Lyndhurst, NJ)
Miscellaneous

PRRAPotomac River Rescue Association (DC-VA, USA)
Miscellaneous

PRRAPre Removal Risk Assessment
Miscellaneous » Unclassified

PRRACPoverty and Race Research Action Council
Community » Non-Profit Organizations

PRRACPrograma Regional de Reconstruccion Para America Central (Spanish)
Miscellaneous

PRRBPaperwork Reduction and Records Branch
Governmental » FDA

PRRB(OC)Paperwork Reduction and Records Branch (OC)
Governmental » FDA