| Acronym | Definition |
|---|
| ITK | Interaktiivinen Tekniikka Koulutuksessa (Finnish: Interactive Technology in Education) |
| ITK | Internet Tool Kit |
| ITK | Interoperability Test Kit |
| ITK | Inuit Tapiriit Kanatami (National Canadian Inuit Organization) |
| ITK | In The Know |
| ITK | Indigenous Traditional Knowledge (forest biodiversity research) |
| ITK | Informations- und TeleKommunikationsbranche (Germany) |
| ITK | Individual Tool Kit |
| ITK | Idegennyelvi Továbbképzo Központ |
| ITK | Iota Tau Kappa (fraternity) |
| ITK | Integrated ToolKit |
| ITK | Initial Transaction Key |
| ITK | Instrument Time Key (Infrared Space Observatory) |
| ITK | Informasjonsteknologikomitéen ved Studentersamfundet i Trondhjem (Dutch) |
| ITK | Internationally Trained Kinesiologist |