| Acronym | Definition |
|---|
| IWRC➣International Wildlife Rehabilitation Council |
| IWRC➣Iowa Waste Reduction Center (Cedar Falls, Iowa) |
| IWRC➣Independent Wire Rope Core |
| IWRC➣Illinois Water Resources Center (est. 1964; Urbana, IL) |
| IWRC➣Interfaith Worker Rights Center |
| IWRC➣In-Water Recompression (treatment for decompression sickness) |