| Acronym | Definition |
|---|
| BSWG➣Base State Working Group |
| BSWG➣Blue Swallow Working Group (birds) |
| BSWG➣Budget Support Working Group (Strategic Partnership with Africa) |
| BSWG➣Behavioral Science Working Group |
| BSWG➣Business Systems Working Group (Australia) |
| BSWG➣Black Start Working Group |
| BSWG➣Bighorn Sheep Working Group (Wyoming) |