| Acronym | Definition |
|---|
| MDAC | Microsoft Data Access Components |
| MDAC | Mental Disability Advocacy Center |
| MDAC | Multiplying Digital to Analog Converter |
| MDAC | Mcdonnell Douglas Astronautics Company (aerospace manufacturer; now The Boeing Company) |
| MDAC | Muscular Dystrophy Association of Canada |
| MDAC | Mississippi Department of Agriculture and Commerce (Jackson, MS, USA) |
| MDAC | Membrane Diamond Anvil Cell |
| MDAC | Multiplying Digital-to-Analog Converter |
| MDAC | Multiplying D A Converter |
| MDAC | Multiple-Dose Activated Charcoal |
| MDAC | Morecambe Dinghy Angling Club (UK) |
| MDAC | McDonnell Douglas Aerospace Corporation |
| MDAC | Mitochondrial Disease Action Committee |
| MDAC | Master Data Acquisition and Control (system) |
| MDAC | Multi-channel Data Acquisition Computer |
| MDAC | Manning Distribution Advisory Council |
| MDAC | Mutual Defense Administration. Committee |
| MDAC | Manabat Delgado Amper and Co. (Philippines) |