IIT
- I-It relationship
- IIIT (disambiguation)
- IIT Madrid
- ITT (disambiguation)
- Illinois Institute of Technology
- Indian Institutes of Technology
- Indiana Institute of Technology
- Indosat
- Infantry Immersion Trainer
- Informatics Institute of Technology
- Inha University
- Institute for Industrial Technology
- Institute of Information Technology, University of Dhaka
- Integrated Information Technology
- Integrated information theory
- Intra-industry trade
- Islamic Institute of Toronto
- Istituto Italiano di Tecnologia
- Mindanao State University – Iligan Institute of Technology
- National Research Council (Canada)
- Noakhali Science and Technology University
- Sirindhorn International Institute of Technology
- Technion – Israel Institute of Technology
- İzmir Institute of Technology