DDEM
| Acronym | Definition |
|---|---|
| DDEM | Doki Doki Exit Music |
| DDEM | Direct Democracy European Movement |
| DDEM | Donor-Donor Energy Migration |
| DDEM | Division of Diabetes, Endocrinology and Metabolic Diseases (National Institute of Diabetes and Digestive and Kidney Diseases; more commonly seen as DDEMD) |