| Acronym | Definition |
|---|
| IPPS | Inpatient Prospective Payment System (medical payments) |
| IPPS | International Parallel Processing Symposium |
| IPPS | International Planned Parenthood Federation (est. 1952) |
| IPPS | International Pelvic Pain Society |
| IPPS | International Plant Propagators Society |
| IPPS | Industrial Pollution Projection System |
| IPPS | Instrument Power Protection System (Precision Power International, Inc.; Mission Viejo, CA) |
| IPPS | Integrated Personnel and Payroll System |
| IPPS | Institute for Public Policy Studies |
| IPPS | Involved Parents, Productive Students (mentoring program) |
| IPPS | Integrated Power Plant System |
| IPPS | Instantaneous Personnel Protection System |
| IPPS | Integrated Printing/Publishing System |
| IPPS | Integrated Procurement and Payment System |
| IPPS | Integrated Power and Propulsion System |