| Acronym | Definition |
|---|
| RCW | Revised Code of Washington (state law) |
| RCW | Runtime Callable Wrapper (Microsoft .NET) |
| RCW | Runtime Callable Wrapper |
| RCW | Red-Cockaded Woodpecker (Picoides Borealis) |
| RCW | Reclaimed Water (irrigation) |
| RCW | Real Color Wheel |
| RCW | Rhythmix Cultural Works (Alameda, CA) |
| RCW | Reset Configuration Word (computing) |
| RCW | Renville County West (Minnesota school district) |
| RCW | Russian Civil War |
| RCW | Regional Command West (multinational military formation) |
| RCW | Recurrent Chest Wall |
| RCW | Ramsar Convention on Wetlands (intergovernmental treaty) |
| RCW | Ration, Cold Weather |
| RCW | Recreational Coach Workshop (US Tennis Association) |
| RCW | Recirculating Cooling Water |
| RCW | Revolution Championship Wrestling |
| RCW | Roc City Wrestling |
| RCW | Rated Clan War (gaming) |
| RCW | Real Championship Wrestling (Baltimore, MD) |
| RCW | Regional Championship Wrestling |
| RCW | RC Willey Home Furnishings (Salt Lake City, Utah) |
| RCW | Run Condition Word |
| RCW | Roland Charles Wagner (French author) |