STOPP
| Acronym | Definition |
|---|---|
| STOPP | Society of Teachers Opposed to Physical Punishment (est. 1968: UK) |
| STOPP | Stop Planned Parenthood (pro-life organization) |
| STOPP | Stop the Over Population of Pets, Inc. (various locations) |
| STOPP | South Texans Opposing Private Prisons (est. 2003) |
| STOPP | Stop,Think, Observe, Plan, Proceed (Army) |