MDRL
| Acronym | Definition |
|---|---|
| MDRL | McDonnell Douglas Research Laboratories (St. Louis, MO) |
| MDRL | Maximum Disinfectant Residual Level (water quality) |
| MDRL | Moorcroft Debt Recovery Limited (Stockport, Greater Manchester, England, UK) |
| MDRL | Mechanical Design Research Lab (Michigan Technological University) |
| MDRL | Medium Density Residential Low (zoning) |