| RR&D | Reparation, Removal, and Demolition Section, U. S. Military Government, Germany 
| Others |
| RRD | R R Donnelley
| Others |
| RRD | R. R. Donnelley & Sons Company, Printers
| Others |
| RRD | Radar Range Development
| Others |
| RRD | Radiant Radical and Dynamic
| Others |
| RRD | Radiant, Radical, and Dynamic
| Others |
| RRD | Radio Research Detachment
| Others |
| RRD | Rat Rod Day
| Others |
| RRD | Raw Radar Data
| Others |
| RRD | Reactor Radiation Division
| Others |
| RRD | Really Really Dumb
| Others |
| RRD | Really, Really Dumb
| Others |
| RRD | Rear Engine and Rear Wheel Drive
| Others |
| RRD | Reasonable Rate Documents
| Others |
| RRD | Receive, Record, Display
| Others |
| RRD | Recordati Rare Diseases
| Others |
| RRD | Recurrence Rate Data
| Others |
| RRD | Red River Delta
| Others |
| RRD | Redeemed Resurrected Delivered
| Others |
| RRD | Reduced Resolution Data
| Others |
| RRD | Reduced Resolution Dataset
| Others |
| RRD | Redused Resolution Dataset
| Others |
| RRD | Regimental Reconnaissance Detachment
| Others |
| RRD | Regional Readiness Data
| Others |
| RRD | Regular Retirement Date
| Others |
| RRD | Regulations and Rulings Division
| Others |
| RRD | Reliability Requirements Database
| Others |
| RRD | Remediation and Redevelopment Division
| Others |
| RRD | Removable Rigid Disk
| Others |
| RRD | Removal - Replacement Data
| Others |
| RRD | Removal of Rigid Dressing
| Others |
| RRD | Replacement Regulating Detachment
| Others |
| RRD | Required Reply Date
| Others |
| RRD | Research Reactors Division
| Others |
| RRD | Resonant Reed Decoder
| Others |
| RRD | Resources and Rural Development
| Others |
| RRD | Rhegmatogenous Retinal Detachment
| Others |
| RRD | Right Rear Door
| Others |
| RRD | Roberto Ricci Designs
| Others |
| RRD | Rolls Royce Deutschland
| Others |
| RRD | Rolls-Royce Deutschland
| Others |
| RRD | Rotate Right Digit
| Others |
| RRD | Round Robin Data
| Others |
| RRD | Round Robin Database
| Others |
| RRD | Row to Row Delay
| Others |
| RRD | RR Donnelley
| Others |