ORHS
| Acronym | Definition |
|---|---|
| ORHS | Oak Ridge High School (USA) |
| ORHS | Orlando Regional Healthcare System (Orlando, FL) |
| ORHS | Otay Ranch High School (California; est. 2003) |
| ORHS | Oyster River High School (Durham, NH) |
| ORHS | Orrville Railroad Heritage Society (Ohio) |
| ORHS | Oconee Regional Health Systems (Milledgeville, GA) |