| NPI | New Product Introduction | 新产品导入 |
| NPI | Null Pointer Indication | 无效指针指示 |
| NPI | Numbering Plan ID | 號碼計畫識別碼 |
| NPI | Northwest Progressive Institute | 西北进步学院 |
| NPI | National Preservation Institute | 国家保存研究所 |
| NPI | Narcissistic Personality Inventory | 自恋人格问卷 |
| NPI | Non-Profit Institution | 非营利机构 |
| NPI | Net Profits Interest | 净利润利息 |
| NPI | Nonpublic Personal Member Information | 非公开个人会员信息 |
| NPI | Norsk Polarinstitutt (Norway) | Norsk Polarinstitutt(挪威) |
| NPI | Network Printer Interface | 网络打印机接口 |
| NPI | Not Plugged In (computer/network technical problem) | 没插入(计算机/网络技术问题) |
| NPI | National Procedures Institute (Midland, MI) | 国家程序研究所(密歇根州米德兰) |
| NPI | No Pun Intended | 无双关语 |
| NPI | Neuropsychiatric Institute (UCLA) | 神经心理研究所(UCLA) |
| NPI | Novos PaÍses Industrializados (newly industrialized countries) | Novos PaÍses Industrializados (newly industrialized countries) |
| NPI | National Provider Identifier | 国家提供商标识符 |
| NPI | Non-public Personal Information | 非公开个人信息 |
| NPI | National Pollutant Inventory (AU) | 国家污染物清单(AU) |
| NPI | Numbering Plan Indicator | 编号计划指示符 |
| NPI | Node Processor Interface | 节点处理器接口 |
| NPI | Source for DGEN.EXE interpreter (dBASE Application Generator) | DGEN的来源。EXE解释器(dBASE应用程序生成器) |
| NPI | NEXRAD Product Interface | NEXRAD产品界面 |
| NPI | Nuevos PaÍses Industrializados | Nuevos PaÍses Industrializados |
| NPI | Nuveen Premium Income Municipal Fund | Nuveen保费收入市政基金 |
| NPI | Ni Puta Idea (No idea at all) | Ni Puta想法(完全不知道) |
| NPI | Not Plant Induced | 非植物诱导 |
| NPI | North Pole Institute | 北极研究所 |
| NPI | Neuro-Psychiatric Institute | 神经精神病学研究所 |
| NPI | Numbering Plan Identifier | 编号计划标识符 |
| NPI | Nordpol Innsbruck (FCW fanclub) | Nordpol Innsbruck(FCW风扇俱乐部) |
| NPI | Network Provider Interface | 网络提供商接口 |
| NPI | Neutral Particle Imager | 中性粒子成像仪 |
| NPI | Non-Precision Instrument | 非精密仪器 |
| NPI | Not Pre-Installed | 未预先安装 |
| NPI | Network Provisioning Interface | 网络配置界面 |
| NPI | Non Policy Issuance (insurance) | 非保单发行(保险) |
| NPI | Neuro Psychiatric Inventory | 神经精神病学问卷 |
| NPI | Non-Personal Information | 非个人信息 |
| NPI | New Patient In | 新患者输入 |
| NPI | National Productivity Institute (South Africa) | 国家生产力研究所(南非) |
| NPI | Negative Polarity Item (linguistics) | 负极性项目(语言学) |
| NPI | NROS Predictive Index (NASCAR Racing Online Series game) | NROS预测指数(NASCAR赛车在线系列游戏) |
| NPI | Norwegian Polar Institute (Norway) | 挪威极地研究所(挪威) |
| NPI | No Poseo InformaciÓn | No Poseo InformaciÓn |
| NPI | neuropsychiatric institute | 神经精神研究所 |
| NPI | no present illness | 无当前疾病 |
| NPI | Non- Public Information | 非公开信息 |
| NPI | Noise Pollution, Inc. | 噪音污染公司。 |
| NPI | National Products, Inc. | National Products公司。 |