| IPPS | In Plant Performance System 
| Others |
| IPPS | Industrial Pollution Projection System
| Others |
| IPPS | Inpatient Prospective Payment System
| Others |
| IPPS | Inpatient Prospective Payment Systems
| Others |
| IPPS | Input Packets Per Second
| Others |
| IPPS | Institute for Public Policy Studies
| Others |
| IPPS | Integrated Personnel and Pay System
| Others |
| IPPS | Integrated Personnel and Payroll System
| Others |
| IPPS | Integrated Physician Practice Section
| Others |
| IPPS | Integrated Power Plant System
| Others |
| IPPS | Integrated Power Protection System
| Others |
| IPPS | Integrated Procure to Pay Solutions
| Others |
| IPPS | International Parallel Processing Symposium
| Others |
| IPPS | International Pelvic Pain Society
| Others |
| IPPS | International Plant Propagators Society
| Others |