KCSG
| Acronym | Definition |
|---|---|
| KCSG | Kids Cancer Support Group (Subiaco, Western Australia, Australia) |
| KCSG | Korean Cancer Study Group (Seoul, South Korea) |
| KCSG | Kanawha Creation Science Group (South Charleston, WV) |
| KCSG | Knight Commander of the Pontifical Order of Saint Gregory the Great |