| Abbreviation | Definition |
|---|---|
| IAJ | Iowa Association for Justice |
| IAJC | Inter American Juridical Committee |
| IALL | Idaho Academy of Leadership for Lawyers |
| IALL | International Academy of Linguistic Law |
| IALM | Indian Academy of Law and Management |
| IALM | Indian Academy of Law Management |
| IALM | International Academy of Legal Medicine |
| IALS | International Advocate Legal Services |
| IALS | International Association of Law Schools |
| IALS | International Association of Legal Science |
| IALT | Irish Association of Law Teachers |
| IAR | Infantry Assault Rifle |
| IAS | Inmate Assignment System |
| IAT | Intervention Assistance Team |
| IATL | I Am The Law |
| IBA | Impact and Benefit Agreement |
| IBASE | Incident Based Database |
| IBE | Illegal Biological Entity |
| IBJ | International Bridges to Justice |
| IBJ | International Bridges to Justice's |