| Acronym | Definition |
|---|
| KSG | John F. Kennedy School of Government (Harvard University; Cambridge, MA, USA) |
| KSG | Kel-Tec Shotgun (firearm) |
| KSG | Kids See Ghosts (hip hop group featuring Kanye West and Kid Cudi) |
| KSG | Khulumani Support Group (South Africa) |
| KSG | Karnataka State Government (India) |
| KSG | Kobayashi, Sugita & Goda (law firm; Hawaii) |
| KSG | Kashmir Study Group |
| KSG | Koninklijke Schelde Groep (Dutch naval shipyard) |
| KSG | Knight of St. Gregory (religious order) |
| KSG | Kniest SED Group |
| KSG | Knight of Saint Gregory (UK) |
| KSG | Kansas Space Grant |