- AR stands for Abandon Rate
- AR stands for Abbey Road (Beatles album/song)
- AR stands for Abnormal Returns
- AR stands for Absorber Rod
- AR stands for Abstellraum (German: storage room)
- AR stands for Abuse Report (gaming, Second Life)
- AR stands for Accelerated Reader
- AR stands for Acceptance Review
- AR stands for Access Rate
- AR stands for Access Right
- AR stands for Access Router
- AR stands for Account Representative (Sprint)
- AR stands for Accounts Receivable
- AR stands for Accounts Register
- AR stands for Accusé de Réception (French: Acknowledgment of Receipt; mail)
- AR stands for Acetal Resin
- AR stands for Acid Reflux
- AR stands for Acknowledge Receipt
- AR stands for Acoustic Reflex
- AR stands for Acoustic Research (loudspeaker manufacturer)
- AR stands for Acoustique Renforcée (French: Enhanced Acoustics; window noise insulation)
- AR stands for Acquiescence Ruling
- AR stands for Acquisition Reform
- AR stands for Acquisition Request
- AR stands for Acquisition Risk
- AR stands for Acrobat Reader (Adobe Systems)
- AR stands for Action Replay (game console cheat device)
- AR stands for Action Report
- AR stands for Action Required
- AR stands for Action Research
- AR stands for Active Radar
- AR stands for Active Region (sunspot observation)
- AR stands for Activity Ratio
- AR stands for Activity Reports
- AR stands for Activity Resume (ITU-T)
- AR stands for Acute Rejection
- AR stands for Adaptive Reception Control
- AR stands for Add Register
- AR stands for Address Register
- AR stands for Administrative Record
- AR stands for Administrative Regulation (various organizations)
- AR stands for Administrative Requirement
- AR stands for Adrenaline Rush (gaming; also an IMAX film)
- AR stands for Adrenergic Receptor (protein)
- AR stands for Advanced Reactor
- AR stands for Adventure Racing
- AR stands for Adverse Reaction
- AR stands for Advice of Receipt (Canada Post)
- AR stands for Aerial Reconnaissance
- AR stands for Aerial Refueling
- AR stands for Aerolíneas Argentinas
- AR stands for Aeronautical Requirement
- AR stands for Affiliate Relations
- AR stands for Affirmative Rebuttal (debate)
- AR stands for African Rights
- AR stands for After Rebate
- AR stands for Aftermath Records (record label)
- AR stands for Age Regression
- AR stands for Agency Resources
- AR stands for Agent Report
- AR stands for Air Reconnaissance
- AR stands for Air Refueling
- AR stands for Air Resistance
- AR stands for Air Revitalization
- AR stands for Air Rifle
- AR stands for Air Route
- AR stands for Airborne Reconnaissance
- AR stands for Airborne Relay
- AR stands for Airworthiness Representative
- AR stands for Aishwarya Rai (Indian actress)
- AR stands for Akademia Rolnicza (Polish: University of Agriculture)
- AR stands for Alabama Railroad
- AR stands for Alan Rickman (British actor)
- AR stands for Alarm Reaction
- AR stands for Alarm Report
- AR stands for Aldose Reductase
- AR stands for All Rail
- AR stands for All Risks
- AR stands for Allergic Rhinitis
- AR stands for Allied Racing (Halo racing clan)
- AR stands for Alternate Routing
- AR stands for Alternative Radio (public affairs program)
- AR stands for Altesse Royal (French: Royal Highness)
- AR stands for Amateur Radio
- AR stands for Amazing Race (reality TV show)
- AR stands for American Racing (American Racing wheels)
- AR stands for American Revolution
- AR stands for American Rifleman Magazine
- AR stands for American Rivers, Inc.
- AR stands for American Robin
- AR stands for Anal Retentive
- AR stands for Analyst Relations (various locations)
- AR stands for Analytical Reagent
- AR stands for Ancestral Roots (genealogy)
- AR stands for Ancien Regime (gaming)
- AR stands for Androgen Receptor
- AR stands for Angle Resolved
- AR stands for Animal Rights
- AR stands for Annual Rate
- AR stands for Annual Report
- AR stands for Annual Return
- AR stands for Annual Reviews
- AR stands for Anomaly Report
- AR stands for Antibiotic Resistance
- AR stands for Antimicrobial Resistance
- AR stands for Anti-Radar
- AR stands for Anti-Radiation
- AR stands for Anti-Reflectance
- AR stands for Anti-Reflection
- AR stands for Anti-Reflective
- AR stands for Anton Rubinstein (classical pianist)
- AR stands for Aortic Regurgitation (aortic insufficiency)
- AR stands for Appenzell Ausser-Rhoden (postcode, Switzerland)
- AR stands for Appenzell Außerrhoden (Swiss Half Canton)
- AR stands for Application Record
- AR stands for Application Requester
- AR stands for Approval Request
- AR stands for Approved Rejected
- AR stands for Approximate Reasoning
- AR stands for Aqua Regia
- AR stands for Arabic
- AR stands for Archival Researcher
- AR stands for Area Ratio
- AR stands for Area Record (sports)
- AR stands for Area Representative
- AR stands for Arezzo, Toscana (Italian province)
- AR stands for Argent (Heraldic White or Silver)
- AR stands for Argentina
- AR stands for Argon
- AR stands for Argonne Area Office (US DOE)
- AR stands for Arise Records
- AR stands for Arista Records (record label)
- AR stands for Arizona Republic (newspaper)
- AR stands for Arkansas (US postal abbreviation)
- AR stands for Armalite (rifle company)
- AR stands for ArmaLite Rifle (engineering company; Genesco, IL)
- AR stands for Armor
- AR stands for Armor Rating (gaming, Asheron’s Call 2)
- AR stands for Armor Rendering (gaming, Asheron’s Call)
- AR stands for Arm’s Reach
- AR stands for Army Ranger
- AR stands for Army Regulation
- AR stands for Army Reserve
- AR stands for Aromatic
- AR stands for Arrest Report (law enforcement)
- AR stands for Arrêté Royal (French: Royal Decree; Belgium)
- AR stands for Arrezo (postcode, Italy)
- AR stands for Arrow Revolver (game, Mabinogi)
- AR stands for Arsenide
- AR stands for Art Remains (online art gallery)
- AR stands for Artificial Respiration (aka artificial resuscitation)
- AR stands for Artificial Resuscitation
- AR stands for As Removed (avionics)
- AR stands for As Required
- AR stands for Asistencia Respiratoria
- AR stands for Aspect Ratio
- AR stands for ASR Status
- AR stands for Assault Rifle
- AR stands for Assembleia da República (Portuguese parliament)
- AR stands for Assessment Request
- AR stands for Asset Reconciliation
- AR stands for Assistant Referee (sports)
- AR stands for Assistant Registrar
- AR stands for Associate Referee (various organizations)
- AR stands for Association Rules
- AR stands for Atlantic Records (record label)
- AR stands for Atmospheric Research
- AR stands for Atmospheric Revitalization
- AR stands for Atrophic Rhinitis (pig respiratory disease)
- AR stands for Attack Rating (Diablo II)
- AR stands for Attack Release
- AR stands for Attributable Risk
- AR stands for Attributive Risk
- AR stands for Attrition Rate
- AR stands for Attrition Reserve (aircraft)
- AR stands for Auburn Reporter (community newspaper)
- AR stands for Augmented Reality
- AR stands for Auscultacion Respiratoria (Spanish: Respiratory Auscultation)
- AR stands for Authorization Request
- AR stands for Authorized Representative
- AR stands for Authorized Reseller
- AR stands for Auto Redial
- AR stands for Automated Reasoning
- AR stands for Automatic Recall (Bellcore)
- AR stands for Automatic Response
- AR stands for Automatic Resupply
- AR stands for Automatic Rifle
- AR stands for Automation Resources
- AR stands for Autonomous Republic
- AR stands for Autoregressive
- AR stands for Autosomal Recessive (genetics; recessive gene on one of the 23 pairs of autosomes)
- AR stands for Auxiliary Receiver
- AR stands for Auxiliary Relay
- AR stands for Auxiliary Room
- AR stands for Avance-Retard (French)
- AR stands for Avis de Réception (Canada Post)
- AR stands for Axial Ratio
- AR stands for Ayn Rand (novelist and philosopher)
- AR stands for Postal Fiscal (Scott Catalogue prefix; philately)
- AR stands for Repair Ship
A-R