ICAC
- Financial Crimes Commission (Mauritius)
- Heartland Collegiate Athletic Conference
- Independent Commission Against Corruption (Hong Kong)
- Independent Commission Against Corruption (New South Wales)
- Independent Commission Against Corruption (South Australia)
- Independent Commissioner Against Corruption (Northern Territory)
- Institute of Chartered Accountants of the Caribbean
- Intermountain Collegiate Athletic Conference
- International Certification Accreditation Council
- International Cotton Advisory Committee
- Internet Crimes Against Children Task Force