| Rank | Abbreviation | Meaning |
|---|
| ***** | RSMS | Railway Safety Management System
| |
| ***** | RSMS | Roll Shop Management System
| |
| *** | RSMS | R.L. Stone Middle School (Huntsville, AL)
| |
| ** | RSMS | Revised Self Monitoring Scale
| |
| ** | RSMS | Restricted Substance Management Standard
| |
| ** | RSMS | Rail Safety Management System
| |
| * | RSMS | Rolling Stock Maintenance System
| |
| * | RSMS | Rolling Stok Management System
| |
| * | RSMS | Radio Spectrum Measurement System
| |
| * | RSMS | Road Safety Management System
| |
| * | RSMS | Readiness Sustainment Maintenance Site
| |
| * | RSMS | Regional Sponsored Migration Scheme
| |
| * | RSMS | Remote Sensor Management System
| |
| * | RSMS | Really Simple Mobile Syndication
| |
| * | RSMS | Risk and Security Management Solutions
| |
| * | RSMS | Russian Society for Mass Spectrometry
| |
| * | RSMS | Remote Sensor Monitoring System
| |
| * | RSMS | Residential Sound Mitigation Services
| |
| * | RSMS | Radiation Safety Management System
| |
| * | RSMS | Regional Service Management System
| |
| * | RSMS | Remote Service Monitoring System
| |
| * | RSMS | Regional Sustainment Maintenance Site
| |
| * | RSMS | Rockwood South Middle School (Fenton, MO)
| |
| * | RSMS | River Systems Management Section
| |
| * | RSMS | Rising Sun Middle School
| |