| Abbreviation | Definition |
|---|---|
| SCRC | Southern California Relocation Council |
| SCRS | South Carolina Retirement System |
| SCV | Santa Clara Valley |
| SCV | Santa Clarita Valley |
| SCVR | South Carolina Vocational Rehabilitation |
| SCW | Sun City West |
| SCWA | Sacramento County Water Agency |
| SCWC | Southern California Water Committee |
| SCWD | Simpson County Water District |
| SCY | Salem City Maintenance Yard |
| SD | Senate District |
| SD | South Dakota |
| SDA | Second Division Assistant |
| SDAK | South Dakota |
| SDC | Silver Dollar City |
| SDCC | South Dublin County Council |
| SDCSC | South Dublin Children's Services Committee |
| SDCWA | San Diego County Water Authority |
| SDFC | South Dakota Fusion Center |
| SDFE | San Diego Family Expo |