| Abbreviation | Definition |
|---|---|
| DDAM | Diploma in Disability Assessment Medicine |
| DDAQ | Disability Discrimination Awareness Questionnaire |
| DDAS | Division of Disability and Aging Services |
| DDD | Department of Developmental Disabilities |
| DDD | Developmental Disabilities Division |
| DDD | Division of Developmental Disabilities |
| DDDC | Douglass Developmental Disabilities Center |
| DDDP | Developmental Disabilities Defendant Program |
| DDDS | Division of Developmental Disabilities Services |
| DDDS | Division of Disability Determination Services |
| DDHA | Developmental Disabilities Health Alliance |
| DDHD | Department of Disability and Human Development |
| DDHS | Developmental Disabilities and Human Services |
| DDIC | Disability Drop In Centre |
| DDLS | Developmental Disabilities Lecture Series |
| DDM | Developmental Disabilities Ministries |
| DDOM | Disability Day of Mourning |
| DDP | Disability Determination Process |
| DDPC | Developmental Disabilities Planning Council |
| DDR | Developmental Disabilities Resources |