RTBI
| Acronym | Definition |
|---|---|
| RTBI | Real-Time Business Intelligence (software) |
| RTBI | Rural Technology and Business Incubator (Indian Institute of Technology Madras; India) |
| RTBI | Reduced Ten Bit Interface (computing) |
| RTBI | National Association of Round Tables of Britain and Ireland |
| RTBI | Round Table of Britain and Ireland (est. 1927) |
| RTBI | Rockhampton Tourist and Business Information (Australia) |
| RTBI | Retarded-Time Boundary Integral |