| RDH | Reference Datum Height | 基准高度 |
| RDH | Red Devon Housing Limited (Dawlish, Devon, UK) | Red Devon Housing Limited（英国德文郡道利什） |
| RDH | Rapid Deployment Hemostat | 快速部署止血器 |
| RDH | Roundhead | 圆头 |
| RDH | Ragged Dimension Hierarchy | 粗糙的维度层次结构 |
| RDH | Rapid Displacement Heating | 快速置换加热 |
| RDH | Remote Data Handler | 远程数据处理程序 |
| RDH | right-diaphragmatic hernias | 右膈疝 |
| RDH | Recirculating Document Handler | 再循环文档处理程序 |
| RDH | Registered Dental Hygienist | 注册牙医 |