| Acronym | Definition |
|---|
| DBU | Deutsche Bundesstiftung Umwelt (German: German Federal Environmental Foundation) |
| DBU | Dallas Baptist University |
| DBU | Dansk Boldspil Union (Danish Soccer Union) |
| DBU | 1,8-Diazabicyclo (5.4.0)undec-7-Ene |
| DBU | Data Base User |
| DBU | Data Base Utility |
| DBU | Deutschen Buddhistischen Union (German: German Buddhist Association) |
| DBU | Dépôt des Bibliothèques Universitaires (French: Deposit of University Libraries; Switzerland) |
| DBU | Division du Budget (French: Budget Division) |
| DBU | Dial Back-Up |
| DBU | Domestic Banking Unit |
| DBU | Decibel Unit |
| DBU | Dan Brown's Universe (video blog) |
| DBU | Dialog Base Unit |
| DBU | Daily Bread Uganda |