UDO
| Acronym | Definition |
|---|---|
| UDO | Universidad de Oriente (Spanish: University of the East; Venezuela) |
| UDO | Unified Development Ordinance (land use and zoning regulations) |
| UDO | Ultra Density Optical (phase change optical storage) |
| UDO | Ultra Density Optical |
| UDO | University of Dortmund (Germany) |
| UDO | Union des Opticiens (French: Union of Opticians; Paris, France) |
| UDO | Undelivered Orders |
| UDO | User Defined Object |
| UDO | Undetermined Origin |