Similar to 2020年東京オリンピックのバレーボール競技・女子アフリカ予選
 - Innovative Optical and Wireless Network
 - Innovative Sensor Technology IST AG
 - INOKI GENOME 〜Super Stars Festival 2011〜
 - Institute for Dynamic Educational AdvancementInstitute for Dynamic Educational Advancement
 - Intel Integrated Performance PrimitivesIntegrated Performance Primitives
 - Intelligent Platform Management InterfaceIntelligent Platform Management Interface
 - Inter-Client Communication Conventions ManualInter-Client Communication Conventions Manual
 - Interior Gateway Routing ProtocolInterior Gateway Routing Protocol
 - InterNational Cyber Security Center of Excellence
 - International Fighting Championship
 - International Image Interoperability FrameworkInternational Image Interoperability Framework
 - International Journal of Computational Geometry and ApplicationsInternational Journal of Computational Geometry and Applications
 - International Journal of GeometryInternational Journal of Geometry
 - International Journal of Quantum ChemistryInternational Journal of Quantum Chemistry
 - International Journal of Transgender HealthInternational Journal of Transgender Health
 - International Powered Access Federation
 - International Society for Philosophical Enquiry
 - International Vale Tudo ChampionshipInternational Vale Tudo Championship
 - International Wheelchair Rugby Cup
 - Internationalized Resource IdentifierInternationalized Resource Identifier
 - Internet Assigned Numbers AuthorityInternet Assigned Numbers Authority
 - Internet Control Message ProtocolInternet Control Message Protocol
 - Internet Control Message Protocol for IPv6ICMPv6
 - Internet Group Management ProtocolInternet Group Management Protocol
 - Internet Protocol Control ProtocolInternet Protocol Control Protocol
 - Internet Speculative Fiction DatabaseInternet Speculative Fiction Database
 - Interuniversity Microelectronics CentreIMEC
 - James while John had had had had had had had had had had had a better effect on the teacherJames while John had had had had had had had had had had had a better effect on the teacher