| Acronym | Definition |
|---|
| IIP | Investors In People |
| IIP | Institute of Intellectual Property (Japan) |
| IIP | Index of Industrial Production |
| IIP | Inventory of Interpersonal Problems |
| IIP | International Information Programs (US State Department) |
| IIP | International Institute for Peace (Austria) |
| IIP | Internet Infrastructure Provider (various companies) |
| IIP | Internet Intelligence Platform |
| IIP | Industrial Innovation and Partnerships (US NSF) |
| IIP | Input Intercept Point |
| IIP | Iraqi Islamic Party |
| IIP | Indian Institute of Petroleum |
| IIP | International Ice Patrol (US Coast Guard) |
| IIP | Idiopathic Interstitial Pneumonia |
| IIP | Indian Institute of Packaging |
| IIP | Interest in Possession (UK) |
| IIP | Intelligent Information Processing |
| IIP | Internet Imaging Protocol |
| IIP | Instrument Incubator Program |
| IIP | Immigrant Investor Program (Canada) |
| IIP | Integrated Infrastructure Project |
| IIP | International Infections in Pregnancy (clinical study) |
| IIP | Institute of Public Administration |
| IIP | Imaging Informatics Professional |
| IIP | International Institute of Parasitology |
| IIP | Instantaneous Impact Point (missile defense) |
| IIP | Information and Incentives Project |
| IIP | Indirect Immunoperoxidase |
| IIP | Interoperability Improvement Panel |
| IIP | Illness and Injury Prevention |
| IIP | Institut International de la Presse (French: International Press Institute) |
| IIP | Instantaneous Impact Prediction (NASA) |
| IIP | Invisible IRC Proxy |
| IIP | Included in Price |
| IIP | Intermodulation Intercept Point |
| IIP | Individual Income Protection (insurance industry) |
| IIP | Intelligent Internet Protocol |
| IIP | Interoperability Improvement Program |
| IIP | Intelligent Interface Processor |
| IIP | Industrial Internet Platform |
| IIP | Intoxicated in Public |
| IIP | ISO Interactive Project (ISO studio Software file extension) |
| IIP | Initial Issue and Provisioning |
| IIP | Industry Information Processor |
| IIP | Implementation Information Plan |
| IIP | Instrument Implementation Plan |
| IIP | Irregular Input Process |
| IIP | Information and Installment Plan |