| Acronym | Definition |
|---|
| IRLA➣International Religious Liberty Association (est. 1893; Silver Spring, MD) |
| IRLA➣Independent Research Libraries Association (est. 1972) |
| IRLA➣Individual Running Ledger Account (India) |
| IRLA➣Independent Reading Level Assessment (American Reading Company) |
| IRLA➣Item Repair Level Analysis |
| IRLA➣Institute of Registered Landscape Architects |