IIC
- 2C (disambiguation)
- Apple IIc
- Ilagan Isabela Cowboys
- Impact insulation class
- India International Centre
- Industrial Internet Consortium
- Institute of Informatics and Communication
- International Institute for Conservation
- International Review of Intellectual Property and Competition Law
- Irish Intermediate Cup
- Israeli Intelligence Community
- Istituto Italiano di Cultura
- Itahari International College
- I²C
- Morang District
- Oil-for-Food Programme
- Paul Volcker Committee
- UN
- University of Delhi