RHIS
| Acronym | Definition |
|---|---|
| RHIS | Redlands Horticultural and Improvement Society (Redlands, CA) |
| RHIS | routine health information systems |
| RHIS | REUTERS Health Information Services |
| RHIS | River Heights Intermediate School (Corona, CA) |
| RHIS | Regional Housing Investment Strategy (UK) |
| RHIS | Rain and Hail Insurance Society (various locations) |