| Abbreviation | Definition |
|---|---|
| SCSA | Stock Car Speed Association |
| SCSA | Supreme Council for Sport in Africa |
| SCSC | Southern California Subbuteo Club |
| SCSCC | Salt Creek Sports Car Club |
| SCSF | Skating Club of San Francisco |
| SCSM | Sheffield Centre Of Sports Medicine |
| SCTF | Scenic Coulee Tackle Football |
| SCTP | Scholastic Clay Target Program |
| SCU | Scottich Cycling Union |
| SCU | South Coast Uprising |
| SCUBA | Duba |
| SCUBA | South Carolina Underwater Bass fishermans Association |
| SCUF | Sporting Club Universitaire de France |
| SCW | Skating Club of Wilmington |
| SCW | South Chicago Wheelmen |
| SCW | Southern Championship Wrestling |
| SCW | Superior Championship Wrestling |
| SCY | Sailing Crewed Yacht |
| SCY | Short Course Yards |
| SCYC | Short Course Yards Championship |