MDAA
| Acronym | Definition |
|---|---|
| MDAA | Missile Defense Advocacy Alliance |
| MDAA | Massachusetts District Attorneys Association |
| MDAA | Minnesota Darkhouse and Angling Association (est. 1986) |
| MDAA | Mutual Defense Assistance Act |
| MDAA | Minnesota Dental Assistants Association |
| MDAA | Mason Dixon Auto Auction (Greencastle, PA) |
| MDAA | Misuse of Drugs Amendment Act (New Zealand) |