NADD
| Acronym | Definition |
|---|---|
| NADD | North America Diving Dogs (Midlothian, TX) |
| NADD | National Association for the Dually Diagnosed |
| NADD | National Alliance for Democracy and Development (Gambia) |
| NADD | National Association of Diaconate Directors |
| NADD | National Association of Deans and Directors of Schools of Social Work |
| NADD | Nerd Attention Deficit Disorder |
| NADD | National Association of Diemakers and Diecutters |