IFC
- IFC (American TV channel)
- IFC (Canadian TV channel)
- IFC Mall (disambiguation)
- Ido's Football Club
- Ilioupoli F.C.
- Ilkeston F.C.
- Immaculata F.C.
- Independent Film Company (distributor)
- Industry Foundation Classes
- Initial Filter Criteria
- Institute F.C.
- Integer factorization
- Integrated fluidic circuit
- Intel Fortran Compiler
- Intelligent flight control system
- InterFaith Conference of Metropolitan Washington
- International Federation of Cheerleading
- International Filing Company
- International Finance Corporation
- International Financial Commission
- International Fixed Calendar
- International Freedom Center
- Internet Foundation Classes
- Iraq Freedom Congress
- Irish Film Institute
- Irrawaddy Flotilla Company
- Islandmagee F.C.
- North American Interfraternity Conference
- UEFA Intertoto Cup