| Acronym | Definition |
|---|
| GTK➣Geological Survey of Finland |
| GTK➣Getting to Know |
| GTK➣Group Temporal Key (network security) |
| GTK➣Good to Know |
| GTK➣GIMP Tool Kit (Widget Set for the X Windowing System) |
| GTK➣Geologian Tutkimuskeskus (Finnish: Geological Survey of Finland) |
| GTK➣Gimp Tool Kit |
| GTK➣Graphical Tool Kit |
| GTK➣Gepanzertes Transport Kraftfahrzeug |
| GTK➣GIMP Tool Kit for C++ |