| Abbreviation | Definition |
|---|---|
| SBK | Superbike |
| SCAR | South Coast Adventure Race |
| SCB | splint cast and brace |
| SCR | Sports Compact Racing |
| SCRA | Sprint Car Racing Association |
| SCRAMP | Sports Car Racing Association of the Monterey Peninsula |
| SCRL | Sussex Cycle Racing League |
| SCRP | Sports Car Racing Performance |
| SCVR | St Croix Valley Raceway |
| SDCR | San Diego County RACES |
| SDT | Statically Defined Tracing |
| SEB | Seek Embrace and Befriend |
| SERT | Suzuki Endurance Racing Team |
| SES | Structural Equivalency Spreadsheet |
| SGM | Souverign Grace Ministies |
| SGM | Sovereign Grace Ministries |
| SGRP | Symposia on Gender Race and Philosophy |
| SGRP | Symposium on Gender Race and Philosophy |
| SHINE | Saving Hearts In Need of Embrace |
| SHR | Second Hedrick Racing |