| Abbreviation | Definition |
|---|---|
| RHI | Respect Honor Integrity |
| RHI | Revolution Hope Imagination |
| RHI | Roys Home Inspection |
| RHIB | Rigid Hull Inflatable Boats |
| RHIC | Relativistic Heavy Ion Col |
| RHIC | Rural Health Innovation Collaborative |
| RHIH | Recursos Hídricos e Infraestructuras Hidráulicas |
| RHIH | Regional Health Improvement Hub |
| RHINO | Rebuilding Hope in New Orleans |
| RHINO | restoring hope in New Orleans |
| RHINO | Right Here In New Orleans |
| RHIP | Randolph Health Improvement Partnership |
| RHIP | Rank Hath Its Privileges |
| RHIP | Rat Hepatocyte Induction Potential |
| RHIP | Reactive Hot Isostatic Pressing |
| RHIP | Reproductive Health Improvement Project |
| RHIS | Rectitude Home Inspection Services |
| RHIS | Redlands Horticultural and Improvement Society |
| RHIS | Resistive High Impedance Surface |
| RHIS | Resistive high impedance surfaces |