UUD
| Acronym | Definition |
|---|---|
| UUD | Undang-Undang Dasar (Indonesian: Constitution; est. 1945; Indonesia) |
| UUD | Unix to Unix Decoder |
| UUD | Ulan-Ude, Russia (Airport Code) |
| UUD | Ujung-Ujungnya Duit (Indonesian: It's All about Money) |
| UUD | Up, up, down (subatomic composition of neutrons) |
| UUD | Undergraduate University Division (various locations) |
| UUD | United Utility Dog (UKC obedience title) |