| Acronym | Definition |
|---|
| IPI➣Imposto Sobre Produtos Industrializados (Brazilian Federal Excise Tax) |
| IPI➣International Press Institute |
| IPI➣Imposto Sobre Produtos Industrializados (Brazil federal tax) |
| IPI➣International Prognostic Index (oncology) |
| IPI➣Igreja Presbiteriana Independente (Portuguese: Independent Presbyterian Church; Brazil) |
| IPI➣International Peace Institute (New York, NY) |
| IPI➣Industrial Production Index (economic indicator; Federal Reserve Board) |
| IPI➣Istituto per la Promozione Industriale |
| IPI➣Intrepid Potash, Inc. (Denver, CO) |
| IPI➣International Payment Instruction |
| IPI➣International Parking Institute |
| IPI➣Intelligent Peripheral Interface |
| IPI➣Institute for Policy Innovation |
| IPI➣Image Processing and Interchange |
| IPI➣Internal Processor Interrupt |
| IPI➣International Playthings, Inc. (Grand Toys International Limited) |
| IPI➣Internal Process Improvement |
| IPI➣Infinity Pharmaceuticals Inc. (Cambridge, MA) |
| IPI➣International Public Information |
| IPI➣International Protein Index |
| IPI➣Image Permanence Institute (Rochester, New York) |
| IPI➣Inter-Processor Interrupt |
| IPI➣Independent Photo Imagers |
| IPI➣Intel Product Integrator |
| IPI➣Illinois Policy Institute |
| IPI➣Internet Policy Institute |
| IPI➣Inter-Path Interference |
| IPI➣Institute of Pharmaceutical Innovation (University of Bradford, UK) |
| IPI➣International Property Investors (various locations) |
| IPI➣Indigenous Peoples International (International Humanities Center) |
| IPI➣International Performance Institute (Florida) |
| IPI➣Internet Protocol Infrastructure |
| IPI➣Interior Point Intermodal |
| IPI➣Imaging Products International (photography) |
| IPI➣Intelligence Press, Inc. |
| IPI➣Initial Protocol Identifier |
| IPI➣Ipiales, Colombia - San Luis (Airport Code) |
| IPI➣In Process Inspection |
| IPI➣Information Policy Institute |
| IPI➣Institute for Photogrammetry and Geoinformation |
| IPI➣Intended Point of Impact (US Air Force) |
| IPI➣Integrated Photonics, Inc. (Hillsborough, NJ) |
| IPI➣Intel Processor Integrator |
| IPI➣Intellectual Property Interface |
| IPI➣International Petroleum Institute (est. 1987) |
| IPI➣Information Products Interchange |
| IPI➣Illinois Pain Institute |
| IPI➣India Policy Institute |
| IPI➣Index of Biotic Integrity |
| IPI➣Irreversible Processed Indicator |
| IPI➣Indigenous Populations and Institutions (US DoD) |
| IPI➣Industrial Product Identification |
| IPI➣Initial Product Inspection |
| IPI➣Isocyanate Products Incorporated |
| IPI➣Instrument Personality Interface |
| IPI➣Infinity Pharmaceuticals Incorporated (Cambridge, MA) |
| IPI➣Intercept Pattern for Identification |
| IPI➣In-grade Pay Increase |
| IPI➣In-Process Initiative |
| IPI➣Immediate Permanent Incapacitation (nuclear weapons casualty criterion) |