ORSI
| Acronym | Definition |
|---|---|
| ORSI | Offshore Recruiting Services, Inc. (Canada) |
| ORSI | Office of Retirement and Survivors Insurance (Social Security) |
| ORSI | Oklahoma Repeater Society Inc (ham radio frequency coordination group) |
| ORSI | Office of Regulatory Science and Innovations (US DHHS) |
| ORSI | Ozark Rural Systemic Initiative for Mathematics, Technology and Science Reform (Southwest Center for Educational Excellence; Webb City, MO) |