RMSG
| Acronym | Definition |
|---|---|
| RMSG | Rocky Mountain Survival Group (now Survival & Self-Reliance Studies Institute) |
| RMSG | Rocky Mountain State Games (Colorado) |
| RMSG | Risk Management Steering Group |
| RMSG | Rocky Mountain Sod Growers (est. 1973) |
| RMSG | Resource Management Solutions Group (Toronto, ON, Canada) |
| RMSG | Random Map Script Guide (gaming) |