| Acronym | Definition |
|---|
| PPWG➣Patent Policy Working Group (World Wide Web Consortium) |
| PPWG➣Pandemic Preparedness Working Group (various locations) |
| PPWG➣Pikes Peak Weavers Guild (est. 1959) |
| PPWG➣Posture Planning Work Group |
| PPWG➣Parallel-Plate Wave Guide |
| PPWG➣Precautionary Principle Working Group |