| Term | Full Form | Category |
|---|---|---|
| OPTR | Off Peak Tariff Rider | Others |
| OPTR | Order Preserving Translation and Recovery | Others |
| OPTR | Oregon Pancreas Tissue Registry | Others |
| OPTR | Oregon Pancreatic Tumor Registry | Others |
| OPTR | Orifice Pulse Tube Refrigerator | Others |
| OPTR | Orthopedic Physical Therapy Residency | Others |