| Acronym | Definition |
|---|
| SADEC | Southern African Development Community |
| SADEC | Spin Axis Declination (NASA) |
| SADEC | Stand-Alone Decryption tool (SecureWave) |
| SADEC | State Animal Disease Emergency Committee (India) |
| SADEC | South American Dental Exporting Corporation |
| SADEC | Sociedad Asociación Civil Argentina de Estimulación Cardíaca |
| SADEC | Social Awareness and Development Compaign |
| SADEC | Southern Africa Development and Educational Centre |
| SADEC | Security Assistance Data Element Catalog (US DoD) |
| SADEC | Statewide Articulation and Dual Enrollment Committee (South Carolina) |
| SADEC | Sagina Decumbens (trailing pearlwort) |
| SADEC | Supply And Development of Energy Co. |