| Acronym | Definition |
|---|
| PTIA➣Piedmont Triad International Airport (Greensboro, NC) |
| PTIA➣Performance Trust Investment Advisors (Chicago, IL) |
| PTIA➣Pennsylvania Technology Investment Authority |
| PTIA➣Perte Totale Irréversible d'Autonomie (French: Total and Irreversible loss of Autonomy) |
| PTIA➣Percutaneous Transhepatic Intraportal Administration (internal medicine) |
| PTIA➣Protracted Transient Ischemic Attack |