| Acronym | Definition |
|---|
| IRDL➣Institute for Research Design in Librarianship (Loyola Marymount University; Calilfornia) |
| IRDL➣Increase Right, Decrease Left |
| IRDL➣Inishowen Rural Development Ltd. (Ireland) |
| IRDL➣Information Retrieval & Display Language |
| IRDL➣Inishowen Rural Development Limited (Ireland) |