GSK
| Acronym | Definition |
|---|---|
| GSK | GlaxoSmithKline plc (pharmaceutical company) |
| GSK | Glycogen Synthase Kinase |
| GSK | Global Storage Key |
| GSK | Global Security Kit |
| GSK | Gursharan Singh Kohli (Ukranian production company) |
| GSK | Gruppentraining Sozialer Kompetenzen (Germany) |
| GSK | General Storekeeper (US Navy) |
| GSK | Greenland Shark (FAO fish species code) |
| GSK | Gassner Stockmann Kollegen (law firm; various locations) |
| GSK | Generalized Shannon-Khinchin's Axiom |
| GSK | Graveyard Shift Killers (Counter Strike clan) |
| GSK | God Save the King |