| Abbreviation | Definition |
|---|---|
| SSOT | Sports Stars of Tomorrow |
| SSP | Safe Swimming Place |
| SSP | Silhouette Sport Pistol |
| SSP | Spectrum Sports Performance |
| SSP1 | Sea Striker Planer model 1 (boat) |
| SSP2 | Sea Striker Planer model 2 (boat) |
| SSP3 | Sea Striker Planer model 3 (boat) |
| SSPHF | Sport Specific Performance Human Factors |
| SSPS | Southport Sail and Power Squadron |
| SSR | Scary Sad Rookies |
| SSR | Speed Star Racing |
| SSR | Super Sports Roadster |
| SSS | Sequential Sports Shift |
| SSS | Sports Sequential Shift |
| SSS | Standard Scratch Score |
| SSS | Staples Sports Scoreboard |
| SSS | Sunday Slalom Sessions |
| SST | Signature Series Titanium |
| SST | Stavros Soccer Team |
| SST | Super Sonic Team |