| RDR | Downlight Retrofit 
| Others |
| RDR | Radar De Recul
| Others |
| RDR | Radio Done Right
| Others |
| RDR | Ralph Davis Reptiles
| Others |
| RDR | Ram Deflector Rocket
| Others |
| RDR | Ranking Digital Rights
| Others |
| RDR | Rare Diseases Research
| Others |
| RDR | Rate Drop Response
| Others |
| RDR | Raw Data Record
| Others |
| RDR | Raw Data Recorder
| Others |
| RDR | Reactionary Defense Responses
| Others |
| RDR | Reactive Dynamic Radar
| Others |
| RDR | Read Directories Read
| Others |
| RDR | Read Discover Recommend
| Others |
| RDR | Reader
| Others |
| RDR | Rear Door
| Others |
| RDR | Red Dead Redemption
| Others |
| RDR | Red Dead Resurrection
| Others |
| RDR | Red Dirt Road
| Others |
| RDR | Redirector
| Others |
| RDR | Reduced Data Record
| Others |
| RDR | Reduced Data Requirement
| Others |
| RDR | Registered Diplomate Reporter
| Others |
| RDR | Regular Daily Routine
| Others |
| RDR | Regulation - Disregulation - Regulation
| Others |
| RDR | Report Design Research
| Others |
| RDR | Request for Data Review
| Others |
| RDR | Request for Document Revision
| Others |
| RDR | Reservoir Dogs Run
| Others |
| RDR | Restricted Delegation and Revocation
| Others |
| RDR | Retail Delivery Report
| Others |
| RDR | Retail Distribution Review
| Others |
| RDR | Revenue Development Resources
| Others |
| RDR | Richter Dahl Rocha
| Others |
| RDR | Right Decision Rate
| Others |
| RDR | Ritual Document Release
| Others |
| RDR | RNA Dependent RNA
| Others |
| RDR | Road Danger Reduction
| Others |
| RDR | Roata De Rezerva
| Others |
| RDR | Rob Dougan Records
| Others |
| RDR | Rock Deformation Research
| Others |
| RDR | Room and Delegate Rate
| Others |
| RDR | Rotating Disk Reactor
| Others |
| RDR | Rounds Down Range
| Others |
| RDR | Rudder
| Others |
| RDR | Rural Delivery Route
| Others |