| Acronym | Definition |
|---|
| IDR➣Issuer Default Rating (financial risk) |
| IDR➣Inter-Domain Routing (IETF) |
| IDR➣Indonesia Rupiah (Currency Unit, ISO) |
| IDR➣In Der Regel (German: Regulary) |
| IDR➣Interdisciplinary Research |
| IDR➣Iskandar Development Region (now Iskandar Malaysia) |
| IDR➣In-Depth Review (various locations) |
| IDR➣Intelligent Document Recognition (various companies) |
| IDR➣Intelligent Document Recognition |
| IDR➣Internet Domain Routing |
| IDR➣Image Data Record |
| IDR➣Institutional Digital Repository (various locations) |
| IDR➣International Defence Review (publication) |
| IDR➣I Don't Remember |
| IDR➣Information Document Request |
| IDR➣Instituto de Desenvolvimento Regional (Portuguese: Institute for Regional Development; Portugal) |
| IDR➣Intelligent Disaster Recovery |
| IDR➣Informal Dispute Resolution (law) |
| IDR➣International Depository Receipt |
| IDR➣Indiana Department of Revenue |
| IDR➣Interval Data Recorder |
| IDR➣Interactive Delphi Reconstructor (decompiler) |
| IDR➣Inner Distribution Road (Reading, UK) |
| IDR➣Industrial Disability Retirement (California) |
| IDR➣Initiative Digitaler Rundfunk (German: Digital Broadcasting Initiative) |
| IDR➣I Don't Recall |
| IDR➣Intermediate Data Rate (Sprint) |
| IDR➣Intermediate Data Record |
| IDR➣Import Duty Relief |
| IDR➣Increased Digital Resolution (audio software; Waves Audio Ltd.) |
| IDR➣Incidence Density Ratio |
| IDR➣Interim Design Review |
| IDR➣Initial Data Release (astrophysics) |
| IDR➣Inhibidor Directo de la Renina (Spanish: Direct Renin Inhibitor) |
| IDR➣Initial Design Review |
| IDR➣Inter-Decile Range (statistics) |
| IDR➣Infiltrate, Destroy, Rebuild (CKY album) |
| IDR➣Instantaneous Decoding Refresh (digital TV) |
| IDR➣Induced Dimension Reduction (mathematics) |
| IDR➣Institute of Dental Research |
| IDR➣Immediate Disaster Relief |
| IDR➣Invited Dress Rehearsal (performances) |
| IDR➣Incremental Design Review |
| IDR➣Incentive Distribution Right |
| IDR➣Identification Record |
| IDR➣Industrial Development Revenue Bond |
| IDR➣International Development Registry (UK) |
| IDR➣Intermediate Design Review |
| IDR➣Integrated Diagnostic Reconfiguration (electrical engineering) |
| IDR➣Input Data Request |
| IDR➣Industrial Design Regulations |
| IDR➣Informal Design Review |
| IDR➣Inspection Discrepancy Report |
| IDR➣Installation Design Review |
| IDR➣Infantry Drill Regulation |
| IDR➣Intelsat Data Rate |
| IDR➣Ischemia-Driven Revascularization |
| IDR➣Instrument Delivery Review |
| IDR➣Instrument Design Review |
| IDR➣Indicative Data Record |
| IDR➣Institute of Distribution Research (est. 1966; Ministry of Economy, Trade and Industry; Japan) |
| IDR➣Incident Detail Record (Hekimian) |
| IDR➣Indicative Data Report |
| IDR➣Internal Deviation Request |
| IDR➣Internet Data Records |
| IDR➣Inherent Design Reliability |
| IDR➣Image Data Recovery (Plastic Recovery Service) |
| IDR➣Internet Direct Response, LLC (Colleyville, TX) |
| IDR➣Instinctive Drowning Response |
| IDR➣Isolated Disc Resorption |
| IDR➣Inside Dimension Ratio (pipe and tubing specification; ratio of inside diameter to wall thickness) |
| IDR➣Information Difference Report |
| IDR➣Intradermic Reaction |
| IDR➣Inspection/Deficiency Report |
| IDR➣Intertask Data Re-Distribution |
| IDR➣Interface Design Requirement |
| IDR➣Impact Distribution Resources, Inc (Toronto, ON, Canada) |
| IDR➣Innovation Design & Research (UK) |
| IDR➣Institute for Development Research, Inc. (Boston, MA) |
| IDR➣Interfaith Disaster Resources (Gulf Breeze, FL) |
| IDR➣Interest, Dividend, or Net Rental Income (US Census household income source) |