| Acronym | Definition |
|---|
| RWR | Regional Weather Roundup |
| RWR | Radar Warning Receiver |
| RWR | Right Wing Resistance (various locations) |
| RWR | Read/Write Reality |
| RWR | Ronald Wilson Reagan (40th President of the USA) |
| RWR | Raw Water Reservoir |
| RWR | Richard Wayne & Roberts (recruiting firm; Houston, TX) |
| RWR | Real World Radio (multilingual web radio) |
| RWR | Royal Winnipeg Rifles (Canada) |
| RWR | Reclaimed Water Reuse (various locations) |
| RWR | Reflective Wave Reducer |
| RWR | Rapid Weight Reduction (program) |
| RWR | Reword (proofreading) |
| RWR | Right Wing Republican (political label) |
| RWR | Race Walking Record (magazine) |
| RWR | Rideau Woodland Ramble (Merrickville, Ontario, Canada) |
| RWR | Royal Westminster Regiment (Canada) |
| RWR | Regional War Room (local authority to administer a region in the UK following a nuclear attack) |
| RWR | RREP Without RREQ (RREP = Route REPly; RREQ = Route REQuest) |