| Acronym | Definition |
|---|
| IRDI➣Inter Domain Interface |
| IRDI➣Industrial Research and Development Institute |
| IRDI➣International Registration Data Identifier |
| IRDI➣Intellectuele Rechten Droits Intellectuels (Belgian intellectual property journal) |
| IRDI➣Integrated Rural Development Initiative (Uganda) |
| IRDI➣Institute of Rural Development Indonesia |
| IRDI➣Ion Release and Deposition Imaging |