| IPPI | Image Printing Products International 
| Others |
| IPPI | Industrial Product Price Index
| Others |
| IPPI | Institute of Professional Practice Inc
| Others |
| IPPI | Integrated Procedural Performance Instrument
| Others |
| IPPI | Intelligent Payment Processing Inc
| Others |
| IPPI | International Pilot Proficiency Identification
| Others |
| IPPI | International Pilot Proficiency Information
| Others |
| IPPI | International Polar Partnership Initiative
| Others |
| IPPI | International Policies Politics Initiative
| Others |
| IPPI | International Public Policy Institute
| Others |
| IPPI | Iran Polymer and Petrochemical Institute
| Others |
| IPPI | Israel Public Policy Institute
| Others |