| Acronym | Definition |
|---|
| ITPA | Ibm Tivoli Performance Analyzer |
| ITPA | International Tax Planning Association |
| ITPA | International Truck Parts Association |
| ITPA | International Tokamak Physics Activity |
| ITPA | Instituto Teórico Práctico de Agricultura (Spanish: Theoretical and Practical Institute of Agriculture; Guatemala) |
| ITPA | Inosine Triphosphatase |
| ITPA | Information Technology Process Automation |
| ITPA | Identity Theft Prevention Act (New Jersey) |
| ITPA | Independent Third Party Administrator (various companies) |
| ITPA | Independent Telecommunications Pioneer Association |