| Acronym | Definition |
|---|
| SMWG | Sediment Management Work Group |
| SMWG | Single-Mode Waveguide (lightwave technology) |
| SMWG | Server Management Working Group |
| SMWG | Symbols Maintenance Working Group |
| SMWG | Securities Model Working Group |
| SMWG | Synthesis and Modelling Working Group (World Ocean Circulation Experiment) |
| SMWG | Systems Management Working Group |
| SMWG | Serial Media Working Group |
| SMWG | Software Metrics Working Group |
| SMWG | Symphonic Music Working Group |
| SMWG | Stormwater Management Working Group |
| SMWG | Spectrum Management Working Group |
| SMWG | Standards Management Working Group |
| SMWG | Self-Managed Work Group |
| SMWG | Smart Munitions Working Group (Joint Technical Coordinating Group for Munitions Effectiveness; US DoD) |
| SMWG | Strong Motion Working Group (California Integrated Seismic Network) |
| SMWG | Security Management Working Group (NASA) |
| SMWG | Standardization Management Working Group (US Navy) |
| SMWG | Sensor Management Working Group |
| SMWG | Stealth Management Working Group (US Navy) |
| SMWG | Specification Management Working Group |
| SMWG | State Machines Workgroup |
| SMWG | Software Management Working Group |
| SMWG | Standard Manufacturers Working Group |
| SMWG | Standardization Maintenance Working Group (US Navy) |
| SMWG | Science Metadata Working Group |
| SMWG | Sucke MiRc Worm Generator |
| SMWG | Salt Model Working Group (SEG/EAEG) |
| SMWG | Sectoral Monitoring Working Group |
| SMWG | Smoky Mountain Writers Gathering |
| SMWG | Safety Management Working Group |
| SMWG | Strategic Missile Wing |