| Abbreviation | Definition |
|---|---|
| IDPL | International Data Privacy Law |
| IDR | Informal Dispute Resolution |
| IDU | Injection Drug Use |
| IDW | Investigation Derived Waste |
| IEETF | IFRRO Education and Enforcement Task Force |
| IELJD | International Economic Law Justice and Development |
| IELS | Integrated Electronic Litigation System |
| IES | Investigative and Enforcement Services |
| IEU | Investigation and Enforcement Unit |
| IF | Initial and Final |
| IFE | Islamic Forum of Europe |
| IFED | Insurance Fraud Enforcement Department |
| IFFC | Instituut For Financial Crime |
| IFI | Intelligence E Fraud Investigation |
| IFIU | Insurance Fraud Investigation Unit |
| IFLP | Index to Foreign Legal |
| IFLP | Index to Foreign Legal Periodicals |
| IFLS | Institute for Feminist Legal Studies |
| IFP | In Forma Pauperis |
| IFSS | International Forensics Science Services |