| Abbreviation | Definition |
|---|---|
| ICR | Income Contingent Repayment |
| ICS | Incident Command System |
| ICS | International Crime Syndicate |
| ICSL | Inns of Court School of Law |
| ICTR | International Criminal Tribunal for Rwanda |
| ICTY | International Criminal Tribunal for Yugoslavia |
| IDC | Idaho District Court |
| IDC | Illinois Association of Defense Trial Counsel |
| IDC2 | Idaho District Court, Second District |
| IDCR | Infectious Diseases in Corrections Report |
| IDE | Instant Death by Electrocution |
| IDE | Investigational Device Exemption |
| IDEN | Integrated Dispatch Enhanced Network |
| IDHL | International Digest of Health Legislation |
| IDOA | Illinois D.A.R.E. Officers Association |
| IDR | Informal Dispute Resolution |
| IDU | Injection Drug Use |
| IELS | Integrated Electronic Litigation System |
| IF | Initial and Final |
| IFLP | Index to Foreign Legal |