| Abbreviation | Definition |
|---|---|
| SU | Superultramodern Unification |
| SUBI | Southern Urals Biophysics Institute |
| SUN | S - ShadesU - Unseen N - Nature |
| SUNA | Submersible Ultraviolet Nitrate Analyzer |
| SUPL | Stawell Underground Physics Laboratory |
| SUSY | SUper SYmmetry |
| SV | Short Vector |
| SVDC | Simplified Voltage Doubler Circuit |
| SVP | Sympathetic Vibratory Physics |
| SVT | Silicon Vertex Trigger |
| SW | Same Wave |
| SW | Sheikhholeslami-Wohlert |
| SW | Surface Wave |
| SWAM | Standing Wave Area Monitor |
| SWAP | Short Wavelength Automated Perimetry |
| SWBXT | Synchrotron White Beam X-ray Topography |
| SWCNT | Single-Wall Carbon NanoTubes |
| SWG | Standard Wire Gauge |
| SWIP | Society for Women in Physics |
| SWIP | Society of Women in Physics |