PZI
| Acronym | Definition |
|---|---|
| PZI | Protamine Zinc Insulin |
| PZI | Projekta Za Izvedbo (Slovenian: Project to Conduct) |
| PZI | Piet Zwart Instituut (Dutch: Piet Zwart Institute) |
| PZI | Personen Zoek Installatie (Dutch: Personal Security System; home and business alarm systems) |