| Acronym | Definition |
|---|
| RRWG➣Reward and Recognition Working Group (various organizations) |
| RRWG➣Reactivity Research Working Group (North American Research Strategy for Tropospheric Ozone) |
| RRWG➣Radio Regulatory Working Group |
| RRWG➣Reiki Regulation Working Group (now Reiki Council; alternative medicine; UK) |
| RRWG➣RAM Rationale Working Group |
| RRWG➣Ridge-Rough Waveguide |
| RRWG➣Recruitment and Retention Working Group |