GKS may refer to:
*
GK Software, a German enterprise software developer
*
Gifted kid syndrome, a syndrome for gifted kids and former gifted kids
*
Goskomstat, in the Soviet Union; now the Russian Federal State Statistics Service
*
Gottfried Keller-Stiftung, a foundation and Cultural Heritage in Switzerland
*
Graphical Kernel System, a computer graphics standard
*
Stadion GKS, a multi-purpose stadium in Bełchatów, Poland
* ''Den gamle kongelige samling'' (The Old Royal Collection) in the
Royal Library, Denmark
{{disambiguation