| Acronym | Definition |
|---|
| MWG➣Messaging Working Group |
| MWG➣Military World Games |
| MWG➣Migration Working Group (various organizations) |
| MWG➣Music Wire Gauge (pianos) |
| MWG➣Milky Way Galaxy (astronomy) |
| MWG➣Monitoring Working Group (various organizations) |
| MWG➣Mississippi Writers Guild |
| MWG➣Media Watch Global |
| MWG➣Model Working Group |
| MWG➣Membership Working Group (various organizations) |
| MWG➣Match-Winning Goal (soccer) |
| MWG➣Marketing Work Group (various organizations) |
| MWG➣Microfinance Working Group (various organizations) |
| MWG➣Mariners Welfare Guild (India) |
| MWG➣Mobile Web Gateway |
| MWG➣Media Workers Guild (San Francisco, CA) |
| MWG➣Men with Guts (sports apparel company) |
| MWG➣Music Wizard Group (est. 2001; Colorado) |
| MWG➣Microworld of Gems (e-commerce business) |
| MWG➣Measurements Working Group |
| MWG➣Milliwatt Generator |
| MWG➣Missile Warning Group |
| MWG➣Maintainability Working Group |
| MWG➣Munitions Work Group |
| MWG➣Missile Working Group |
| MWG➣Mid-West Group |
| MWG➣Metres Water Gauge (pressure measurement) |