| Acronym | Definition |
|---|
| RHT | Retractable Hard Top |
| RHT | Religare Health Trust (various locations) |
| RHT | Red Hat Training (Red Hat, Inc.) |
| RHT | Retractable Hard Top (convertible autos) |
| RHT | Retinohypothalamic Tract |
| RHT | Reduced Height (genetics) |
| RHT | Repsol Honda Team (motorcycle racing) |
| RHT | Reinforced Heel and Toe (stockings) |
| RHT | Radiant Heat Temperature |
| RHT | Richtig Hartes Training |
| RHT | Right Hand Traffic (driving regulations) |
| RHT | Reduced Hazard Training (firearms) |
| RHT | Restricted Hour Tariff |
| RHT | Registered Hypnotherapist |
| RHT | Atlantic Sharpnose Shark (FAO fish species code) |
| RHT | Right Hypertrophia |