| Rank | Abbreviation | Meaning |
|---|
| ***** | MDRA | Multi-Disease Risk Assessment
| |
| *** | MDRA | Multi Drug Resistant Acinetobacter
| |
| *** | MDRA | Magneto-Dielectric Resonator Antenna
| |
| ** | MDRA | Master of Drug Regulatory Affairs
| |
| * | MDRA | Medical Dictionary for Regulatory Affairs
| |
| * | MDRA | Mission Definition and Requirements Agreement
| |
| * | MDRA | Managing Director of Regulatory Affairs
| |
| * | MDRA | Malta Drag Racing Association
| |
| * | MDRA | Management Development Research Agency
| |
| * | MDRA | Midwest Drag Racers Association
| |
| * | MDRA | Marine Design Resource Alliance
| |
| * | MDRA | Maryland Delaware Rocketry Association, Inc.
| |
| * | MDRA | Mason Dixon Riders Association
| |
| * | MDRA | Marketing Development Research Associates
| |
| * | MDRA | Montana Dude Ranchers Association
| |
| * | MDRA | Motorcycle Drag Racing Association
| |
| * | MDRA | Midwest Dirt Racing Association
| |
| * | MDRA | Marina Del Rey Anglers
| |
| * | MDRA | Mid Delta Regional Airport
| |
| * | MDRA | Matthew D Rudikoff Associates
| |
| * | MDRA | Memphis Depot Redevelopment Agency
| |
| * | MDRA | Masters of Deerhounds Association
| |
| * | MDRA | Midwest Drag Racing Association
| |
| * | MDRA | Medicaid Drug Rebate Agreement
| |
| * | MDRA | managed document receipt acknowledgment
| |