- IC Chip
- ID-based cryptosystems
- IEEE 802.11a/b/g
- IGBT
- Image-based rendering
- IMES
- IMI
- Impregnation molding
- IMS
- IMS-EFSOT
- Industrial robots
- Industrie 4.0
- Information explosion
- Information history agent
- Information history management
- Information history management server
- Information leakage
- Infotainment
- Intrinsic energy consumption efficiency
- Intrusion detection system
- Integral Photography
- Integral Videography
- In-vehicle device
- IoT
- IP Storage
- IPv6
- Ising model
- ITRON
- ITS (Intelligent Transport Systems)
- iVDR
- iVDR-S
