| Abbreviation | Definition |
|---|---|
| STF | Summary Tape File |
| STG | Spineless Tagless G-machine |
| STG | State Transition Graph |
| STGI | Solomon Tsegaye General Import |
| STGO | Sales Tax General Orders |
| STGO | Special Types General Order |
| STI | Symbol Table Information |
| STM | Sample Time Message |
| STM | Super Text Markup |
| STP | Software Technology Park |
| STP | Straight Through Processing |
| STP | Straight To Paper |
| STT | Secure Transaction Technology |
| STTS | Stuttgart Tubingen Tag Set |
| STX | Start of Text |
| SU | Seismic Unix |
| SU | Set User |
| SU | Specified User |
| SU | Super User |
| SU | System Userper |