Posted in Government & Military, Information Technology, Organizations DTAC stands for Double Taxation Avoidance Convention (Mauritius and India) DTAC stands for Defensive Tactics (military and police training) DTAC stands for Disaster Technical Assistance Center (US SAMHSA) DTAC stands for Division Tactical DTAC stands for Delta Teaching Assistant Certificate (Canada) DTAC stands for Dialogue Transatlantique des Consommateurs (French: Transatlantic Consumer Dialogue) DTAC stands for Danvers Traffic Advisory Committee (Danvers, MA)