| Acronym | Definition |
|---|
| PIPG➣Progress in Physical Geography |
| PIPG➣Photo-Induced Plasma Grating |
| PIPG➣Penn Intellectual Property Group (student organization; University of Pennsylvania Law School; Philadelphia, PA) |
| PIPG➣Pandemic Influenza Planning Group |
| PIPG➣Protein Inhibitor of Polygalacturonase (ripening process inhibitor) |