| Acronym | Definition |
|---|
| PGI | Progiciel de Gestion Intégré (French: Enterprise Resource Planning) |
| PGI | Phosphoglucose Isomerase |
| PGI | Polymer Group, Inc. (stock symbol) |
| PGI | Protected Geographical Indication |
| PGI | Platinum Guild International |
| PGI | Pyrotechnics Guild International |
| PGI | Post-Graduate Institute |
| PGI | Polish Geological Institute (Warsaw, Poland) |
| PGI | Procedures, Guidance and Information (US DoD) |
| PGI | Practice Guidelines Initiative |
| PGI | Penn Genomics Institute |
| PGI | Potential Gross Income (financial and accounting term used in cash flow statements) |
| PGI | Communion of Churches in Indonesia |
| PGI | Endothelial Prostacyclin |
| PGI | Potato Growers of Idaho |
| PGI | Polar Geophysical Institute |
| PGI | Physician's Guide to the Internet |
| PGI | Pontefract General Infirmary |
| PGI | Philippine Geothermal Inc. (now Unocal Philippines Inc.) |
| PGI | Pooled Genomic Indexing |
| PGI | Pell Grant Index |
| PGI | Program Generated Income |
| PGI | Phoenix Group International (Arizona) |
| PGI | Philippine Genetics, Incorporated |
| PGI | Plant Germplasm Institute (Italy) |
| PGI | Procurement Guidance Information |
| PGI | Purvin and Gertz, Inc |
| PGI | Pupillo Group Interactive (St. Louis, MO) |
| PGI | Probability of Geolocation Intercept |
| PGI | Plasma Group I |
| PGI | Potential Genotoxic Impurity (biomedicine) |
| PGI | Photo Gallery International (Tokyo, Japan) |
| PGI | Principal Global Investors |
| PGI | Phoenix Group, Inc. (est. 1994; New York) |
| PGI | Pacifica Graduate Institute (California) |