| Abbreviation | Definition |
|---|---|
| SCT | Sedgwick County Transportation |
| SCTA | Sonoma County Transportation Authority |
| SCTD | South Clackamas Transportation District |
| SCTV | Survivable Combat Tactical Vehicle |
| SCUBA | Self-Contained Underwater Breathing Apparatus |
| SCUD | Sports Car Ultimate Drive |
| SCUD | Sure Could Use Directions |
| SCV | Sensor Control Vehicle |
| SCV | Sensor Controlled Vehicle |
| SCV | Speed Control Valve |
| SCVC | Shenzhen CIMC Vehicles Co |
| SCW | Screamin' Cheetah Wheelie |
| SD | Source to Destination |
| SD | Sport Deck |
| SD | Super Drive |
| SDAT | Sector Design and Analysis Tool |
| SDC | Slightly Damaged Crate |
| SDC | Structural Damage Capacity |
| SDF | Simplified Direction Finding |
| SDF | Standiford Field |