| Acronym | Definition |
|---|
| STOP | Stop Transmission of Polio (CDC/WHO program) |
| STOP | Services/Training/Officers/Prosecutors |
| STOP | Safety Training Observation Program |
| STOP | Stop Turning Out Prisoners (Florida) |
| STOP | Selective Tubal Occlusion Procedure (birth control) |
| STOP | Single Title Order Plan (bookselling) |
| STOP | Stop, Think, Observe, and Plan (rescue) |
| STOP | Stop This Outrageous Purge (1950s civil rights group) |
| STOP | Snowmobile Trail Officer Patrol (Canada) |
| STOP | Structural/Thermal Optical |
| STOP | Stop, Talk, Observe, Prevent (injury assessment) |
| STOP | Supporters to Oppose Pollution |
| STOP | Squeal Tires on Pavement |
| STOP | Satellite Tracking Of Polluters |
| STOP | Slightly Tap on Pedal |
| STOP | Stop the Ocean Pollution |
| STOP | Secure Tips Online Program |
| STOP | Spin Tires on Pavement |
| STOP | Skid Tires on Pavement |
| STOP | South Texas Organization of Police |
| STOP | Sort-Toss-Organize-Put Away |
| STOP | Students Thinking of Peers |
| STOP | Stop, Take a Breath, Observe, Proceed |
| STOP | Stay Calm, Think, Observe, Plan (scouting mnemonic of what to do when lost) |
| STOP | Students & Teachers Opposing Pollution |
| STOP | Street-Teen Outreach Program |
| STOP | Stop the Oppressive Powerplant |
| STOP | Selected Test Optimization Program |
| STOP | Stop Tesco's Oversized Plan (UK) |
| STOP | Score points, Think the worst, Opt out or Put down (mnemonic for communication habits to avoid) |
| STOP | Secure Transportation Offender Partition |
| STOP | Stack Overflow Protection |
| STOP | Students and Teachers Opposing Prejudice |
| STOP | Short Time Of Prayer |
| STOP | Strategy Targeting Organized Piracy |
| STOP | Stop Taxing Our Patrons |
| STOP | Students Taking on Prevention (Reston, VA) |
| STOP | Security Tracking of Office Property |
| STOP | Statement of Opposition |
| STOP | Special Tactics and Operations (police team) |
| STOP | Suction Termination of Pregnancy |
| STOP | Safe Tables Our Priority |
| STOP | Satellite Tracking of People LLC |