| Acronym | Definition |
|---|
| STTP | Syndicat des Travailleurs et Travailleuses des Postes (Canadian Union of Postal Workers) |
| STTP | Speak Truth to Power (Quaker saying) |
| STTP | Short Term Training Program |
| STTP | Straight To the Point |
| STTP | sodium tripoly phosphate |
| STTP | Source-Term Test Program |
| STTP | Solar Terrestrial Theory Program |
| STTP | Super Turbo Tango Patcher (Windows OS Icon Patcher) |
| STTP | Super Turbo Turkey Puncher (minigame inside Doom 3) |
| STTP | Southend Teacher Training Partnership (Essex, England) |
| STTP | Space Technology Training Program |
| STTP | Strategy to Task to Technology Process/Panel |
| STTP | Space-Time Transmit Pre-Coding |
| STTP | Software Technology Training Program |
| STTP | Small Technology Transfer Program (small business) |