| Acronym | Definition |
|---|
| ISPAC➣International Scientific and Professional Advisory Council (Milan, Italy) |
| ISPAC➣International Symposium on Polymer Analysis and Characterization (chemistry) |
| ISPAC➣Iowa Student Political Awareness Club |
| ISPAC➣International Society for Polycyclic Aromatic Compounds |
| ISPAC➣Information Systems Programming and Consulting Solutions, Inc (London, ON, Canada) |
| ISPAC➣Integrated Systems Problem Analysis Center (avionics) |