| Acronym | Definition |
|---|
| SWWG➣Surface Water Working Group (US NASA; NASA Surface Water Working Group; Columbus, OH) |
| SWWG➣Scheduled Wastes Working Group (hazardous wastes; Australia) |
| SWWG➣Star Wars Writer's Guild (fan fiction) |
| SWWG➣Storm Water Working Group (US EPA) |
| SWWG➣Status of Women Working Group |