| Acronym | Definition |
|---|
| STPC | South Texas Poison Center (San Antonio, TX) |
| STPC | Science and Technology Policy Council (various locations) |
| STPC | School Teachers' Pay and Conditions (UK; employment law) |
| STPC | Shahid Tondgooyan Petrochemical Company (Iran) |
| STPC | Stopover for the Purpose of Connection (air travel) |
| STPC | Shahid Tondgooyan Petrochemical, Co. (Iran) |
| STPC | Sabah Tourism Promotion Corporation (now Sabah Tourism Board; Malaysia) |
| STPC | Swedish Trade Promotion Center (South Korean Markets) |
| STPC | Short Track Pro Cup (automobile racing) |
| STPC | Short-Term Power Control |
| STPC | Stopover Paid by Carrier (airline industry) |