| Acronym | Definition |
|---|
| PGST➣Polish Genealogical Society of Texas |
| PGST➣Persistent Ground Surveillance Tower (multi-sensor payload platform) |
| PGST➣Placental Glutathione-S-Transferase |
| PGST➣Pennsylvania Governor's School for Teaching |
| PGST➣Public Good Science and Technology (New Zealand) |
| PGST➣Previous Graft Survival Time (transplantation medicine) |
| PGST➣Pondicherry General Sales Tax (India) |