| Abbreviation | Definition |
|---|---|
| SADC | Spacecraft Attitude Dynamics and Control |
| SADC | St Albans District Council |
| SADD | Saints Against Destructive Decisions |
| SADD | Sexual Attention Deficit Disorder |
| SADDLE | Symbol Association Dream Dictionary Life and Emotion |
| SADEC | Sa Đéc |
| SADEC | Sa éc |
| SADEC | Sociedad Argentina de Electrofisiología Cardíaca |
| SADEQ | Ṣādeq |
| SADF | South African Defence Force |
| SADF | South Asia Democratic Forum |
| SADF | South australian dance forum |
| SADG | Sabby Aquascapes Design Group |
| SADG | Self Aligned Dual Generation |
| SADH | According to Sadhguru, sadh means 'uneducated', not encumbered by book knowledge. |
| SADH | Syndrome of Attention Deficit and Hyperactivity |
| SADI | Science and Art a Designed Interaction |
| SADI | Selective Amnesia Device Implement |
| SADI | Semantic Automated Discovery and Integration |
| SADI | SEMO Alliance for Disability Independence |