| Abbreviation | Definition |
|---|---|
| SVS | Smallville Virtual Season |
| SVS | Sport Vereinigung Schwechat |
| SVTC | Silicon Valley Triathlon Club |
| SVW | Skagit Valley Wings |
| SVW | SportVerein Wienerwald |
| SW | SpeedWay |
| SW | Stakes Winners |
| SWA | Shelby Wrestling Alliance |
| SWA | Smackdown Wrestling Association |
| SWAD | Spinners Wheelchair Activity Days |
| SWAG | Spridget Wild Adventure Group |
| SWAT | Serving With Arms Team |
| SWAT | Single-Wheeled Attack Team |
| SWAT | Special Woodsball Assault Team |
| SWAT | Strength and Wellness Athletic Training |
| SWAT | Stunts, Wheelies, and Aerial Tactics |
| SWAT | Superior Winning Attitude Team |
| SWC | SouthWest Conference |
| SWC | Super Wild Card |
| SWEAT | Special Water Exercise and Activities Training |