| Abbreviation | Definition |
|---|---|
| SSALR | Simplified Short Approach Light System With Rail |
| SSB | Steering Stem Bearing |
| SSC | Speed Spin And Control |
| SSCC | Serial Shipping Container Code |
| SSCV | Surface Subsurface Clearance Vehicle |
| SSD | Super Sport Darmah |
| SSDD | System/ Segment Design Description ( MIL-STD-498) |
| SSFL | Southern Sydney Freight Line |
| SSITC | Salt Spring island Transportation Commission |
| SSLV | Small Satellite Launch Vehicle |
| SSLV | Small Satellite Launch Vehicles |
| SSP | Squaredynamic Swing Power |
| SSPN | Super Sensitive Personal Navigation |
| SSPT | SuperSonic Passenger Transport |
| SSPU | SilverSun PickUp |
| SSR | Secondary Surveillance Radar |
| SSR | Special Service Request |
| SSR | Super Slow Racer |
| SSR | Super Swamper Radial |
| SSS | Seldom Start System |