| Acronym | Definition |
|---|
| RDIS | Regional Development Information System |
| RDIS | Research and Development Information System (various organizations) |
| RDIS | Reportable Diseases Information System (Ontario Ministry of Health and Long-Term Care; Canada) |
| RDIS | Radar Data Interface System |
| RDIS | Rotherham Disability Information Service (Rotherham, South Yorkshire, England, UK) |
| RDIS | Regional Director of Information Systems |
