| Acronym | Definition |
|---|
| INWG➣International Working Group |
| INWG➣Internet Working Group |
| INWG➣International Network Working Group |
| INWG➣International Negotiators Working Group (law enforcement association) |
| INWG➣Indiana Wing (Civil Air Patrol) |
| INWG➣Inches Water Gauge |
| INWG➣Internet Network Working Group (est. 1973; University of Sussex; UK) |
| INWG➣Intelligent Number Working Group (UK) |