RHU
| 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 |