| Acronym | Definition |
|---|
| RSM | Royal Society of Medicine |
| RSM | Rotterdam School of Management |
| RSM | Sisters of Mercy (religious order) |
| RSM | Removable Storage Manager (Microsoft Windows) |
| RSM | Rancho Santa Margarita (California) |
| RSM | Radio Spectrum Management |
| RSM | Regional Sales Manager |
| RSM | Response Surface Methodology |
| RSM | Route Switch Module (Cisco) |
| RSM | Regimental Sergeant Major (British, Canadian) |
| RSM | Regional Spectral Model |
| RSM | Rational Software Modeler (IBM) |
| RSM | Republic of San Marino (ISO Country Identifier) |
| RSM | Regional Sediment Management (US Army Corps of Engineers) |
| RSM | Removable Storage Management (Highground Systems) |
| RSM | Response Surface Method |
| RSM | Reynolds Stress Model |
| RSM | Real-time Session Manager (Nextone) |
| RSM | Royal School of Mines (UK) |
| RSM | Remote Switching Module |
| RSM | Reciprocal Space Mapping |
| RSM | Regional Simulation Model (South Florida Water Management District) |
| RSM | Remote System Manager |
| RSM | Repair Station Manual |
| RSM | Replication Server Manager (Sybase) |
| RSM | Remote Systems Management |
| RSM | Rancho Santa Margarita Intermediate School (California) |
| RSM | Radioactive Scrap Metal |
| RSM | Real Storage Management (IBM) |
| RSM | Road Sign Math (driving game) |
| RSM | Remote Service Module (Nortel) |
| RSM | Response Service Message (FIPS) |
| RSM | Red de Solidaridad con México |
| RSM | Renegade Slash Militia |
| RSM | Rosettanet Standards Methodology |
| RSM | Reuse Strategy Model |
| RSM | Route Set Test Message (CCS #7 ITU-T) |
| RSM | Reduction Symmetry Method |
| RSM | Requirements Spiral Model |
| RSM | Random Signal Mapper |
| RSM | Receive Signal Module (Ciena) |
| RSM | Reserve Staffing Model |
| RSM | Receive Slot Mask (Register) |
| RSM | Remote Site Module |
| RSM | Residual Supplies Model |
| RSM | Restricted Senior Management |