| Abbreviation | Definition |
|---|---|
| STEP | Satellite Telecommunications Educational Programming |
| STEP | Script, Train, Execute, and Process |
| STEP | Standard Template For Electronic Publishing |
| STET | Specialized Technique for Efficient Typesetting |
| STFD | Stay Tuned For Danger |
| STFU | Shreveport Times Forum Unhallowed |
| STHP | Stewie, The Happy Polynesian |
| STI | Shared Theme Image |
| STK | Svensk Teologisk Kvartalskript (publication) |
| STL | Slime Time Live |
| STL | Studio to Transmitter Link |
| STLB | Stories To Live By |
| STLY | Same Time Last Year |
| STM | Steel Technology Magazine |
| STM | Syracuse Television Market |
| STN | Seize The Night |
| STN | Student Television Network |
| STOP | Sequential Thematic Organization of Publications |
| STOP | Single Title Order Plan |
| STP | Stop The Presses |