| Acronym | Definition |
|---|
| ITTI➣Information Technology Training Initiative |
| ITTI➣Information Technology Training Institute (various locations) |
| ITTI➣Indian Telecom Training Initiative (conference) |
| ITTI➣International Tsunami Training Institute (US NOAA Center for Tsunami Research) |
| ITTI➣Infant Toddler Training Intensive |
| ITTI➣Instytut Technik Telekomunikacyjnych i Informatycznych (Polish: Institute of Telecommunications and Information Technology) |