RNHS
| Acronym | Definition |
|---|---|
| RNHS | Rye Neck High School (Rye, NY) |
| RNHS | Richland Northeast High School (Columbia, SC) |
| RNHS | Rutland Natural History Society (Rutland, England, UK) |
| RNHS | Romblon National High School (Odiongan, Romblon, Philippines) |
| RNHS | Regional Network for Homeland Security (San Diego, CA) |