| Acronym | Definition |
|---|
| IITT | Institute of IT Training (UK) |
| IITT | Intended Invitation to Tender (European Space Agency) |
| IITT | Institute for Industrial Technology Transfer (aka Institut Industriel de Transfert de Technologie; France) |
| IITT | International Institute of Training and Technology (India) |
| IITT | International Institute of Telecom Technology (College Of Engineering; Punjab Technical University; India) |
| IITT | Institut Industriel de Transfert de Technologie (French: Institute for Industrial Technology Transfer; aka Institute for Industrial Technology Transfer) |