| Abbreviation | Definition |
|---|---|
| IRC | Individual Returnable Coupon |
| IRC | Innovation Relay Centre |
| IRC | Innovation Relay Centres |
| IRDA | Interim Resource Development Agreement |
| IRDE | Instruments Research Development Establishment (India) |
| IRDE | Instruments Research & Development Establishment (India) |
| IRDLC | Irrevocable Revolving Documentary Letter of Credit |
| IRF | Initiation, Response, and Feedback |
| IRG | Independent Reassessment Group |
| IRI | Internal Repairing and Insuring |
| IRIS | Ideas Responsibility Initiative And Service |
| IRIS | Ideas, Responsibility, Initiative, Service |
| IRIS | Individual Requirements Intelligent Solutions |
| IRIS | Innovative, Resourceful, Inspired, and Strategic |
| IRIS | Integrated Risk Information System |
| IRM | information resources management |
| IRM | Integrated Resources Management |
| IRM | Investor Relationship Management |
| IRMA | Integrated Resource Material Acquisitioning |
| IRMA | Interreg Rhine Meuse Activities |