| Acronym | Definition |
|---|
| RWA | Radwaste Area |
| RWA | Ralph Whitehead Associates, Inc. (Charlotte, North Carolina) |
| RWA | Range Where Applicable |
| RWA | Reaction Wheel Assembly |
| RWA | Ready Willing & Able |
| RWA | Rear Wheel Assist (agricultural equipment) |
| RWA | Rebel Weezer Alliance (official weezer [band] website; written =rwa=) |
| RWA | Red Wine Audio (Meriden, Connecticut) |
| RWA | Regional Water Authority |
| RWA | Reimbursable Work Authorization |
| RWA | Relative Wavelength Accuracy (Agilent) |
| RWA | Remote Worksite Allowance |
| RWA | Return Without Action |
| RWA | Right Wing Authoritarianism (psychology) |
| RWA | Risk-Weighted Assets |
| RWA | Romance Writers of America |
| RWA | Rotary-Wing Aircraft |
| RWA | Rotating Wave Approximation |
| RWA | Routing and Wavelength Assignment |
| RWA | Royal West Academy (Montreal, Canada) |
| RWA | Royal West of England Academy of Art (Bristol, England) |
| RWA | Rush\Wright Associates (landscape architects) |
| RWA | Rwanda |