| Acronym | Definition |
|---|
| SECRA➣South East City Residents Association (Australia) |
| SECRA➣Secondary Radar Data Only (US DoD) |
| SECRA➣Southeast Case Research Association (est. 1991) |
| SECRA➣Social and Environmental Conditions in Rural Areas (UK) |
| SECRA➣Southeast Civil Rights Association (est. 2000) |