VTK is an open-source software system for 3D computer graphics, image processing and visualization.

VTK may also refer to:

VTK (file format), of the software Vallathol Nagar railway station Vasgyári Testgyakorlók Köre, an abbreviation used for Hungarian sports clubs such as Diósgyőri VTK Vendhu Thanindhathu Kaadu, a 2022 Tamil film Vostok Aviation Company VTK, tractor models of David Brown Ltd.

See also