| Acronym | Definition |
|---|
| ARD | Acid Reflux Disease |
| ARD | Apple Remote Desktop |
| ARD | Annals of the Rheumatic Diseases |
| ARD | Agricultural Research for Development (in Europe) |
| ARD | Arbeitsgemeinschaft der Öffentlich-Rechtlichen Rundfunkanstalten der Bundesrepublik Deutschland (German National TV Consortium) |
| ARD | Agriculture and Rural Development (World Bank) |
| ARD | Admission, Review and Dismissal (Individual Educational Planning committee) |
| ARD | Acid Rock Drainage (mining) |
| ARD | Alliance for the Restoration of Democracy (Pakistan) |
| ARD | America Recycles Day |
| ARD | Accelerated Rehabilitative Disposition |
| ARD | Acute Respiratory Disease |
| ARD | Anticipated Repayment Date |
| ARD | Assessment Reference Date (health care financial assessment) |
| ARD | Assistant Resident Director |
| ARD | Agricultural Research Division |
| ARD | Association for Rural Development |
| ARD | Acoustic Research Detachment |
| ARD | Atmospheric Re-entry Demonstrator |
| ARD | Auxiliary Repair Dry Dock (Non Self-Propelled) |
| ARD | Anthropological Review Database (University of Buffalo) |
| ARD | Air and Radiation Division |
| ARD | Automatic Ringdown |
| ARD | Anti-Reflective Device |
| ARD | Automatic Release Date |
| ARD | Arizona Road Dust |
| ARD | Alliance pour la Resistance Democratique (French: Alliance for Democratic Resistance; Congolese militia group) |
| ARD | Anniversary Rating Date (insurance) |
| ARD | Association Rule Discovery |
| ARD | Age Related Dementia |
| ARD | Alliance Républicaine pour la Démocratie (French: Republican Alliance for Democracy, Djibouti) |
| ARD | Aeronautics Research Mission Directorate (NASA) |
| ARD | Application Requirements Document |
| ARD | Applied Research Department |
| ARD | Application Remote Database |
| ARD | Advanced Reactor Division |
| ARD | Advanced Resource Development |
| ARD | Advanced Research Division |
| ARD | Acceptance Requirement Document |
| ARD | Azimuth-Range Doppler |
| ARD | Anycast Receiver Discovery |
| ARD | Acción Radical Demócrata (Radical Democratic Action; political movement, Guatemala) |
| ARD | Audible Recall Device |
| ARD | A3I Requirements Document |
| ARD | Aquatic Resource Division |
| ARD | Anaesthetic/Resuscitation Department |
| ARD | Abort Region Determination |
| ARD | Arinc and Discrete Circuit Card |
| ARD | Anticipated Registration Date |
| ARD | Agency Resources Department |
| ARD | Average Random Delay |