| Acronym | Definition |
|---|
| OSRR➣Open Split Ring Resonator |
| OSRR➣Office of Student Rights and Responsibilities (various universities) |
| OSRR➣Orthopedic Surgery Residency Ring |
| OSRR➣Open Source Religious Resources |
| OSRR➣Office of Site Remediation and Restoration (US EPA) |
| OSRR➣Office of Spill Response and Remediation (Virginia) |