Abbreviations beginning with a

AARPAssociation of American Retired People
Miscellaneous » Unclassified

AARPAssociation of American Retired Persons
Miscellaneous » Unclassified

AARPAssociation of Anally Rogering People
Miscellaneous » Unclassified

AARPAutomobile Assigned Risk Plan
Miscellaneous » Automotive

AARPAged Adults Riding Proud
Sports » Riding

AARQAssociation for the Administration of Rice Quotas (Cordova, TN)
Academic & Science

AARRArizona Arthritis and Rheumatology Research
Medical

AARRAsociacion Argentina de Rally Raid
Miscellaneous » Automotive

AARRAverage Annual Rate of Reduction
Miscellaneous » Unclassified

AARRCAllergy & Asthma Rochester Resource Center
Academic & Science

AARRFAll American Road Race Federation (St. Cloud, MN)
Miscellaneous

AARRGApprentis Agitateurs Reseau Resistance Global (French: Apprentice Agitators Global Resistance Network)
Miscellaneous

AARROAfro-Asian Rural Reconstruction Organization (New Delhi, India)
Academic & Science

AARRPApplied Atmospheric Resources Research Program (Bureau of Royal Rainmaking and Agricultural Aviation; Thailand)
Community

AARRSAl-Awadi/Raas-Rothschild Syndrome
Academic & Science

AARSAcademic Advising and Retention Services
Academic & Science

AARSAmerican Acne and Rosacea Society
Academic & Science » Societies

AARSAncient and Accepted Scottish Rite
Academic & Science » Societies

AARSArmy Amateur Radio System
Academic & Science