GKS

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