- DADT stands for Don’t Ask, Don’t Tell (US DoD policy)
- DADT stands for Dans l’Air du Temps (French interior decorating company)
- DADT stands for Département Aménagement Durable des Territoires (French: Sustainable Regional Development Planning Department)
- DADT stands for Durability and Damage Tolerance
- DADT stands for Downtown Arena Design Team (sports design; Kansas City, MO)
- DADT stands for Divided Attention Driving Test
- DADT stands for Deputy Assistant Director Transport (UK)
- DADT stands for DARO Architecture Development Team
- DADT stands for Dangerous Alone Deadly Together (gaming clan)
DADT