| 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) |