DOU
| Acronym | Definition |
|---|---|
| DOU | Diário Oficial da União (Brazilian official press) |
| DOU | Definitive Observation Unit (healthcare) |
| DOU | Direct Observation Unit (hospital) |
| DOU | Degree of Unsaturation (organic chemistry) |
| DOU | Direction des Oeuvres Universitaires (French: Management of Academic Works; Algeria) |
| DOU | Documents Of Understanding |
| DOU | Day of Use |
| DOU | Demons of the Underworld (gaming clan) |
| DOU | Data Object Unprocessed |