| Acronym | Definition |
|---|
| MBWG➣Methyl Bromide Working Group (Washington, DC) |
| MBWG➣Maine Beer Writers' Guild (est. 2008) |
| MBWG➣Mississippi Bat Working Group (est. 2001) |
| MBWG➣Marine Biodiversity Working Group (UK) |
| MBWG➣Model Building Working Group (Midwest Independent Transmission System Operator; St. Paul, MN) |
| MBWG➣Multiple-Beam Waveguide |