| Acronym | Definition |
|---|
| DADD | Démarche Active de Découverte (French: Active Approach to Discovery; education) |
| DADD | Dads Against Daughters Dating |
| DADD | Daughters against Drunk Driving |
| DADD | Direct Action Against Drugs (Ireland) |
| DADD | Dads Against Dangerous Dogs (Warrenton, OR) |
| DADD | Drunks Against Drunk Driving (Myspace group) |
| DADD | Dating Attention Deficit Disorder |
| DADD | Dependant Affairs During Deployment |
| DADD | Dial-a-Designated-Driver (Charlotte, NC) |
| DADD | Dads Against Drunk Driving |
| DADD | Deck Aft Door Dogged |
| DADD | Data Archived & Distribution Device |
| DADD | Defenders Against Domestic Discrimination |
| DADD | Dads Against Drug Dealers (activist group) |
| DADD | Dealers Against Drunk Driving (automobile) |
| DADD | Dartington Against Detrimental Development (UK) |