MDNA
| Acronym | Definition |
|---|---|
| MDNA | Machinery Dealers National Association |
| MDNA | Messe Düsseldorf North America (trade show organizer; Messe Düsseldorf Group of Companies; Chicago, IL) |
| MDNA | Mitochondrial DNA (also seen as mtDNA) |
| MDNA | Metal Detecting North America (online community) |
| MDNA | Mobilehome Dealers National Association |
| MDNA | Martin Drive Neighborhood Association (Milwaukee, WI) |