| Acronym | Definition |
|---|
| RSTC | Recreational Scuba Training Council |
| RSTC | Residential Special Training Centre (Indian government educational program) |
| RSTC | Regional Science Teaching Center (Xavier University; Philippines) |
| RSTC | Roughnecks: Starship Troopers Chronicles (TV show) |
| RSTC | Royal Sabah Turf Club (Malaysia) |
| RSTC | Remote Sensing Technology Center (Mississippi State University; Mississippi State, MS) |
| RSTC | Rig Safety and Training Coordinator (oil rig professional) |
| RSTC | Regional Standards and Testing Center (Department of Science and Technology; Philippines) |
| RSTC | Reconnaissance-Strike-Target Complex |