| IPI | International Potash Institute | 国际钾碱学会 |
| IPI | Inland Common Points | 运输条款下的内陆公共点 |
| IPI | interior point intermodal | 内陆公共点多式联运 |
| IPI | Initial Production Inspection | 初始生产检查 |
| IPI | Initial Protocol Identifier | 初始协议标识符 |
| IPI | Intelligent Peripheral Interface | 智能外围接口 |
| IPI | International Parking Institute | 国际停车协会 |
| IPI | Ipiales, Colombia - San Luis (Airport Code) | Ipiales,哥伦比亚-圣路易斯(机场代码) |
| IPI | Isocyanate Products Incorporated | 异氰酸酯产品公司 |
| IPI | Istituto per la Promozione Industriale | 工业促进机构 |
| IPI | Institute for Photogrammetry and Geoinformation | 摄影测量和地理信息研究所 |
| IPI | Internet Policy Institute | 互联网政策研究所 |
| IPI | Imposto Sobre Produtos Industrializados (Brazilian Federal Excise Tax) | Imposto Sobre Produtos Industrializados(巴西联邦消费税) |
| IPI | Intel Processor Integrator | 英特尔处理器集成商 |
| IPI | International Payment Instruction | 国际支付指令 |
| IPI | Image Permanence Institute (Rochester, New York) | 图像永久性研究所(纽约罗切斯特) |
| IPI | International Press Institute | 国际新闻学会 |
| IPI | Intel Product Integrator | 英特尔产品集成商 |
| IPI | In-grade Pay Increase | 职内加薪 |
| IPI | Institute of Pharmaceutical Innovation (University of Bradford, UK) | 药物创新研究所(英国布拉德福德大学) |
| IPI | Imposto Sobre Produtos Industrializados (Brazil federal tax) | Imposto Sobre Produtos Industrializados(巴西联邦税) |
| IPI | interphonemic interval | 音间间隔 |
| IPI | Inwald Personality Inventory | Inwald人格问卷 |
| IPI | interpulse interval | 脉冲间间隔 |
| IPI | inosinyl phosphate inosine | 肌苷磷酸肌苷 |
| IPI | I P C Communication, Inc., of Delaware | 特拉华州I P C通信公司 |
| IPI | Ipiales, Colombia | 哥伦比亚Ipiales |
| IPI | Inter Processor Interrupt | 处理器间中断 |
| IPI | Industrial Product Identification | 工业产品标识 |
| IPI | Instructional Practices Inventory | 教学实践清单 |
| IPI | Irreversible Processed Indicator | 不可逆处理指示器 |
| IPI | Ikatan Pemuda Indonesia | 印度尼西亚Ikatan Pemuda |
| IPI | Impressive Products, Inc. | Impressive Products公司。 |
| IPI | Independent Photo Imagers | 独立照片成像仪 |
| IPI | Income Protection Insurance | 收入保障保险 |
| IPI | Instrument Personality Interface | 仪表个性界面 |
| IPI | Information Policy Institute | 信息政策研究所 |
| IPI | Inter-Processor Interrupt | 处理器间中断 |
| IPI | International Public Information | 国际公共信息 |
| IPI | International Protein Index | 国际蛋白质指数 |
| IPI | Internal Process Improvement | 内部流程改进 |
| IPI | In-Process Initiative | 进程中计划 |
| IPI | Infinity Pharmaceuticals Incorporated (Cambridge, MA) | 英菲尼迪制药公司(马萨诸塞州剑桥) |
| IPI | Immediate Permanent Incapacitation (nuclear weapons casualty criterion) | 立即永久丧失能力(核武器伤亡标准) |
| IPI | Illinois Policy Institute | 伊利诺伊州政策研究所 |
| IPI | In Process Inspection | 过程中检查 |
| IPI | Infinity Pharmaceuticals Inc. (Cambridge, MA) | Infinity Pharmaceuticals Inc.(马萨诸塞州剑桥) |
| IPI | Institute for Policy Innovation | 政策创新研究所 |
| IPI | Intercept Pattern for Identification | 识别截击模式 |
| IPI | India Policy Institute | 印度政策研究所 |
| IPI | International Prognostic Index (oncology) | 国际预后指数(肿瘤学) |
| IPI | Initial Product Inspection | 初始产品检验 |
| IPI | Information Products Interchange | 信息产品交换 |
| IPI | Illinois Pain Institute | 伊利诺伊疼痛研究所 |