| Acronym | Definition |
|---|
| SADD | Students Against Destructive Decisions (formerly Students Against Drunk Driving) |
| SADD | Selective Attention Deficit Disorder (satire) |
| SADD | Students Against Drunk Driving (now Students Against Destructive Decisions) |
| SADD | Sex and Age Disaggregated Data (humanitarian response) |
| SADD | Shape, Area, Distance, Direction (cartography) |
| SADD | Senior Attention Deficit Disorder |
| SADD | Sexual Attention Deficit Disorder |
| SADD | Statement of Approved Design Data |
| SADD | Seasonal Affective Disorder Depression |
| SADD | Software Architecture Design Document |
| SADD | Stupid And Dumb Decision (coined by Francis J. Theriault in Toronto in 1996) |