| Abbreviation | Definition |
|---|---|
| STAK | Sports Team Action Keepsakes |
| STAQ | Sail Training Association off Queensland |
| STAR | Skills And Techniques For Advanced Riding |
| STAR | Sport Touring Association Rendezvous |
| STAR | Sports Training Academics And Recreation |
| STAT | Summer Training Action Team |
| STATS | Sports Team Analysis and Tracking System |
| STATS | Sports Team Analysis And Tracking Systems |
| STB | Simply The Best |
| STB | Spin The Bottle |
| STDE | Société des transports de Dunkerque et extensions |
| STE | Star Track Express |
| STF | Slayers Task Force |
| STF | Spinning Toe Face |
| STF | Spokane Team Fortress |
| STF | Stepover Toehold Facelock |
| STG | Spare Time Gamers |
| STH | Season Ticket Holder |
| STH | Simple Texas Holdem poker |
| STISC | Sail Training International Ships Council |