ICR
- Catholic University of Rennes
- Genomic imprinting
- IE 22000 Class
- Idiopathic condylar resorption
- Immunological constant of rejection
- Implanted cardiac resynchronization device
- Income-contingent repayment
- Industrial Cases Reports
- Inishowen Community Radio
- Instant centre of rotation
- Institute for Comparative Research in Human and Social Sciences
- Institute for Creation Research
- Institute for Cultural Research
- Institute of Cancer Research
- Institute of Cetacean Research
- Intelligent character recognition
- Intercolonial Railway
- Interest coverage ratio
- International Civilian Representative for Kosovo
- International Rescue Committee
- Ion cyclotron resonance
- Iraqi Council of Representatives
- Islander Creole English
- Istituto Superiore per la Conservazione ed il Restauro
- LCR meter
- Romanian Cultural Institute
- The Centrifuge Brain Project
- Till Nowak
- Winner Regional Airport
- Winner, South Dakota