| Acronym | Definition |
|---|
| RDH | Registered Dental Hygienist |
| RDH | Rate Date Hate |
| RDH | Reference Datum Height |
| RDH | Rapid Displacement Heating |
| RDH | Recirculating Document Handler (office equipment) |
| RDH | Roundhead |
| RDH | Robin da Hood (rapper) |
| RDH | Rapid Deployment Hemostat |
| RDH | Restauration Décapage Hydrogommage (French construction company) |
| RDH | Ragged Dimension Hierarchy |
| RDH | Remote Data Handler |
| RDH | Respect du Handicap (French disability advocacy association) |
| RDH | Red Devon Housing Limited (Dawlish, Devon, UK) |
| RDH | Radio du Hip Hop (French: Hip Hop Radio) |
| RDH | Rénovation Décoration Habitat (French renovation and design company) |
| RDH | Respect Dignité Honneur (French gaming clan) |
