ITK

ITK may stand for:


 * ITK (gene), a mammalian gene encoding IL2-inducible T-cell kinase
 * Itk, (a.k.a. IncrTk), a programming language
 * Innovation TK Ltd
 * Insight Segmentation and Registration Toolkit, an extensible open source image software library
 * Kalimantan Institute of Technology (Institut Teknologi Kalimantan), a university in Balikpapan, Indonesia
 * Inuit Tapiriit Kanatami, a Canadian organisation representing Inuit