IRRD
| Acronym | Definition |
|---|---|
| IRRD | International Road Research Documentation (database) |
| IRRD | Integrated Rural and Regional Development (est. 2001; Human Sciences Research Council; South Africa) |
| IRRD | Institute for Rehabilitation Research and Development (Ottawa, Ontario, Canada) |
| IRRD | Internet Routing Registry Daemon |
| IRRD | Issue Release Receipt Document |
| IRRD | Institute of Railway Research and Development |