INWG
| 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) |