| Acronym | Definition |
|---|
| RHU➣Rural Health Unit (Philippines) |
| RHU➣Registered Health Underwriter |
| RHU➣Refugee Housing Unit (various organizations) |
| RHU➣Radioisotope Heater Units |
| RHU➣Reinforcement Holding Unit (Australia) |
| RHU➣Restrictive Housing Unit (Prison) |
| RHU➣Replacement Holding Unit |
| RHU➣Resid Hydrotreating Unit (refinery) |
| RHU➣Rotary Hydraulic Unit (ship steering gear) |
| RHU➣Residential Housing Unit (military housing; Canada) |
| RHU➣Remote Hydraulic Unit (printed circuit boards cleanliness testing) |
| RHU➣Random Hook Up |