IORS
| Acronym | Definition |
|---|---|
| IORS | Italian Orthopaedic Research Society (est. 1994; Bologna, Italy) |
| IORS | International Orphanage Relief Society (Oklahoma City, OK) |
| IORS | Institute of Oncology and Radiology of Serbia |
| IORS | Implanto-Orthognathic Reconstructive Surgery |