| SADD | Students Against Drunk Driving (now Students Against Destructive Decisions) | 学生反对酒后驾驶（现在的学生反对破坏性决定） |
| SADD | Standardized Assessment of Depressive Disorders | 抑郁症的标准化评估 |
| SADD | Students Against Drunk Driving | 学生反对酒后驾驶 |
| SADD | Students Against Doing Drugs | 学生反对吸毒 |
| SADD | Students Against Destructive Decisions (formerly Students Against Drunk Driving) | 学生反对破坏性决策（以前的学生反对酒后驾驶） |
| SADD | San Acacia Diversion Dam | San Acacia导流坝 |
| SADD | Short Alcohol Dependence Data | 短期酒精依赖数据 |
| SADD | Students Against Destructive Decisions | 学生反对破坏性决策 |
| SADD | Save A Dumfries Dog | 拯救一只呆狗 |
| SADD | Statement of Approved Design Data | 批准设计数据声明 |
| SADD | Same Accident Different Day | 同一事故不同日期 |
| SADD | Seasonal Affective Disorder Depression | 季节性情感障碍抑郁 |
| SADD | Sexual Attention Deficit Disorder | 性注意缺陷障碍 |
| SADD | Students Against Dangerous Decisions | 学生反对危险决策 |
| SADD | Stupid And Dumb Decision (coined by Francis J. Theriault in Toronto in 1996) | 愚蠢和愚蠢的决定（1996年由弗朗西斯·J·塞里奥特在多伦多创造） |
| SADD | Software Architecture Design Document | 软件架构设计文档 |