| Acronym | Definition |
|---|
| IPSI➣iPerceptions Satisfaction Index |
| IPSI➣Institute for Integrated Publication and Information Systems (GMD, Germany) |
| IPSI➣Ikatan Pencak Silat Indonesia (national governing body for the Indonesian martial art of Pencak Silat) |
| IPSI➣Identity, Privacy and Security Institute (University of Toronto; Canada) |
| IPSI➣Indonesian Pencak Silat Association (Jakarta, Indonesia) |
| IPSI➣Integrated Power Systems International, Inc (Rochester, NY) |
| IPSI➣Internet Protocol Server Interface |
| IPSI➣Insurance Placement Services, Inc. (State Farm general agency) |
| IPSI➣Institute for Industry Policy and Strategy (Vietnam) |
| IPSI➣Ingles Portugues San Isidro (Buenos Aires, Argentina) |