| Acronym | Definition |
|---|
| GKS | Graphical Kernel System |
| GKS | Global Korea Scholarship (South Korea) |
| GKS | God King Scenario |
| GKS | God's Kingdom Society |
| GKS | Gereja Kristen Sumba (Indonesian: Christian Church of Sumba) |
| GKS | Gemmologisch Kontrollierte Steinqualitaet (German: Controlled Gemological Quality Stone) |
| GKS | Górniczy Klub Sportowy (Polish: Mining Sports Club; Polish football club) |
| GKS | Gold Key Service (US Department of Commerce) |
| GKS | Gujarat Knowledge Society (India) |
| GKS | Gesellschaft für Kanada-Studien (German: Society for Canadian Studies) |
| GKS | Gradeska Knjiznica Samobor (Croatian library) |
| GKS | Gamma Knife Surgery |
| GKS | Gdanski Klub Sportowy (Gdansk, Poland) |
| GKS | Graphics Kernel System |
| GKS | Guns Knives Survival (web resource) |
| GKS | Global Knowledge Software |
| GKS | Gravitie Knowledge Services (India) |
| GKS | Golden Knights Security (est. 2004; Hollywood, FL) |
| GKS | Grafisches Kernsystem (German: Graphical Kernel system) |
| GKS | Goo King Sword (gaming, Breath of Fire III and IV) |
| GKS | Gruss, Kuss, Schluss |