RCSG
| Acronym | Definition |
|---|---|
| RCSG | Risk Communication Specialty Group (Society for Risk Analysis) |
| RCSG | Rochester Celiac Support Group (disease support; Rochester, NY) |
| RCSG | Rift Control Study Group (role-playing game) |
| RCSG | Red Cedar Solutions Group (Okemos, MI) |
| RCSG | Red Cross Society of Guinea |
| RCSG | Research Computing Services Group (Information Management Services Branch, National Research Council, Canada |