| Abbreviation | Definition |
|---|---|
| IGPA | Irrevocable General Power of Attorney |
| IHC | Islamabad High Court |
| IHFFC | International Humanitarian Fact-Finding Commission |
| IHIT | Integrated Homicide Investigation Team |
| IHL | International Humanitarian Law |
| IHLD | International Humanitarian Law Dialogs |
| IHO | Ignorance, Hypocrisy, And Obedience |
| IHRL | International Human Rights Law |
| IICSA | Independent Inquiry into Child Sexual Abuse |
| IIE | Illegal Instruction Exception |
| IIES | Insurance Information and Enforcement System |
| IIES | Insurance Information Enforcement System |
| III | Interstate Identification Index |
| IIL | Indore Institute of Law |
| IIL | Institute of International Law |
| IILAH | Institute for International Law and the Humanities (University of Melbourne, Australia) |
| IILS | Institute of International Legal Studies |
| IIM | Independent Investigation Method |
| IIO | Independent Investigation Office |
| IIPA | International Intellectual Property Alliance |