| Acronym | Definition |
|---|
| IRHC➣Inter-Residence Hall Council (university) |
| IRHC➣Inter-Religious Harmony Circle (est. 2003; Singapore) |
| IRHC➣Independent Rural Health Clinic |
| IRHC➣Isolated Rat Hepatocyte Couplet |
| IRHC➣International River Health Conference (Murray-Darling Basin Commission; Australia) |
| IRHC➣Institute of Remote Healthcare (UK) |