| Acronym | Definition |
|---|
| IJR➣Institute for Justice and Reconciliation (South Africa) |
| IJR➣Interchange Justification Report |
| IJR➣I Just Remembered |
| IJR➣Institute for Juvenile Research (est. 1909; Department of Psychiatry; University of Illinois at Chicago; Chicago, IL) |
| IJR➣Iranian Journal of Radiology (Tehran University of Medical Sciences and Iranian Society of Radiology) |
| IJR➣Instituto Jorge Robledo (Columbia) |
| IJR➣Idiojunctional Rhythm |