| IIT | Icetratt Investors and Traders 
| Others |
| IIT | Idiotic Institute of Technology
| Others |
| IIT | Iligan Institute of Technology
| Others |
| IIT | Illinois Institute of
| Others |
| IIT | Illinois Institute of Technology
| Others |
| IIT | Illinois Institute of Technology's
| Others |
| IIT | Image Intensifier Tube
| Others |
| IIT | Impulse Invariant Transform
| Others |
| IIT | Indian Institue of Technology
| Others |
| IIT | Indian Institute for Technology
| Others |
| IIT | Indian Institute of Tatti
| Others |
| IIT | Indian Institute of Technology
| Others |
| IIT | Indian Institute of Techonology
| Others |
| IIT | Indian Institutes of Technology
| Others |
| IIT | Indian Instute of Technology
| Others |
| IIT | Indiana Institute of Technology
| Others |
| IIT | Individual Income Tax
| Others |
| IIT | Informatics Institute of Technology
| Others |
| IIT | Information and Infrastructures Technologies
| Others |
| IIT | Institute for Information Technology
| Others |
| IIT | Institute of Infinite Torture
| Others |
| IIT | Institute of Information and Technology
| Others |
| IIT | Institutul de Informatica Teoretica
| Others |
| IIT | Integrated Independence Team
| Others |
| IIT | Integrated Information Technology
| Others |
| IIT | Intelligent Interface Technologies
| Others |
| IIT | Inter-Island Terminal (Honolulu Airport)
| Others |
| IIT | International Intensive Training
| Others |
| IIT | Intra Industry Trade
| Others |
| IIT | Intra-Industry Trade
| Others |
| IIT | Investigation and Identification Team
| Others |
| IIT | Is It Tight?
| Others |
| IIT | Italian Institute of Technology
| Others |
| IIT | Iyengar Institute Of Technology
| Others |