| 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) |