| Acronym | Definition |
|---|
| PEIS➣Programmatic Environmental Impact Statement |
| PEIS➣Political Economy of Industrial Societies (various universities) |
| PEIS➣Preliminary Environmental Impact Study |
| PEIS➣PHIVOLCS (Philippines Institute of Volcanology and Seismology) Earthquake Intensity Scale (Philippine Information Agency) |
| PEIS➣Program Evaluation and Improvement Staff (USDA) |
| PEIS➣Post-Experiment Information System |
| PEIS➣Paravariceal Endoscopic Injection Sclerotherapy |