| MRDD | Don Diego, Costa Rica 
| Others |
| MRDD | Mental Retardation And Developmental Disabilities
| Others |
| MRDD | Mental Retardation and Developmental Disability
| Others |
| MRDD | Mental Retardation Developmental Disabilities
| Others |
| MRDD | Mental Retarded Developmentally Disabled
| Others |
| MRDD | Mentally Retarded and Developmentally Disabled
| Others |
| MRDD | Mentally Retarded Developmentally Disabled
| Others |
| MRDD | Microbicide Research and Development Database
| Others |
| MRDD | Movement for the Restoration and Defence of Democracy
| Others |
| MRDD | Municipal Road Damage Deposit
| Others |