| Abbreviation | Definition |
|---|---|
| IRDP | International Regulatory Development Partnership |
| IRDP | Irrigation Restoration and Development Project |
| IRDSO | Integrated Rural Development Service Organisation |
| IRDT | Institute for Rural Development Trust |
| IREAD | Institute for Rural Education And Development |
| IRED | Institute for Research on Educational Development |
| IREDA | Indian Renewable Energy Development Agency |
| IRRAD | Institute Of Rural Research and Development |
| IRRDB | International Rubber Research Development Board |
| ISDB | Islamic Development Bank |
| ISDC | International Security and Development Center |
| ISDD | Instrumentation Services and Development Division |
| ISDE | Integrated Social Development Effort |
| ISDF | Informal Settlements Development Fund |
| ISDF | Integrated Strategic Development Framework |
| ISDG | Initiative for Sustainable Development and Governance |
| ISDG | International Scenery Development Group |
| ISDI | International Sustainable Development Institute |
| ISDK | Industrial Software Development Kit |
| ISDK | Integration Software Development Kit |