Abbreviations beginning with a

APRRAdiabatic Passage Rotational-Resonance
Academic & Science

APRRArabidopsis Pseudo-Response Regulator
Academic & Science

APRRAssociation of Petroleum Re-Refiners
Academic & Science

APRRAllegheny Portage Railroad
Business

APRRAutoroutes Paris Rhin Rhône (France)
Business

APRRAdvisory Panel on Risk Ratings
Governmental

APRRAtlanta Peachtree Road Rollers
Miscellaneous » Unclassified

APRRCAsia Pacific Regional Rotaract Conference (annual humanitarian conference)
Miscellaneous

APRRCAsian Pacific Research and Resource Centre (Carleton University; Canada)
Miscellaneous

APRRPAfrican Peacekeeping Rapid Response Partnership
Regional » African

APRSAcademy of Pharmaceutical Research and Science
Academic & Science » Research

APRSAlien Plants Ranking System
Academic & Science » Botany

APRSAustralian Pattern Recognition Society
Academic & Science » Societies

APRSAutomatic Packet Reporting System
Academic & Science » Amateur Radio

APRSAutomatic Packet Reporting System (GPS technology)
Academic & Science

APRSAutomatic Position Reporting System
Academic & Science » Amateur Radio

APRSAutomatic Position Reporting System (original term - now Packet instead of Position)
Academic & Science » Amateur Radio

APRSApprops Technology, Inc.
Business » NASDAQ Symbols

APRSAndhra Pradesh Residential School
Community » Residential

APRSAndhra Pradesh Residential School
Community » Schools