| Acronym | Definition |
|---|
| PGIA➣Postgraduate Institute of Agriculture (Sri Lanka) |
| PGIA➣Programmable Gain Instrumentation Amplifier |
| PGIA➣Proteoglycan-Induced Arthritis |
| PGIA➣Printing and Graphics Industries Association of Alberta |
| PGIA➣Prince George Interpreters Association |
| PGIA➣Preliminary Groundwater Impact Assessment (Delaware) |