| Term | Full Form | Category |
|---|---|---|
| RHO | Radiant Heat Output | Others |
| RHO | Radiation Health Officer | Others |
| RHO | Ramp Handling Operators | Others |
| RHO | Rebuilt Headliner Offset | Others |
| RHO | Remote Hosting Option | Others |
| RHO | Reproductive Health Outlook | Others |
| RHO | Residence Hall Officer | Others |
| RHO | Residence Hall Offices | Others |
| RHO | Rhodes, Greece | Others |
| RHO | Rhody Health Options | Others |
| RHO | Richard Hiroshi O | Others |
| RHO | Right Hand Opponent | Others |
| RHO | Rodgers Hammerstein Organization | Others |
| RHO | Rural Health Office | Others |