PASI
| Acronym | Definition |
|---|---|
| PASI | Psoriasis Area and Severity Index |
| PASI | Provincial Approach to Student Information (Canadian education initiative) |
| PASI | Public Authority for Social Insurance |
| PASI | Pan American Studies Institute |
| PASI | Preapplication Statement of Intent (FAA) |
| PASI | Professional Account Services Inc. |
| PASI | Production, Availability, Shipments, Inventory |
| PASI | Pioneer Air Systems, Inc. |
| PASI | Professional Associate, Chartered Surveyors' Institution (now Associate, Royal Institution of Chartered Surveyors; UK) |