UDAC
| Acronym | Definition |
|---|---|
| UDAC | Universal Directory Access Code |
| UDAC | Unauthorized Disclosure Analysis Center (US DoD) |
| UDAC | Ultra-Deepwater Advisory Committee (US Department of Energy) |
| UDAC | Upper Dublin Aquatic Club (Pennsylvania) |
| UDAC | Universal Directory Advertising Code |
| UDAC | User-Directed Access Control |
| UDAC | Universal Directory Access Code (Yellow Pages ad size code) |
| UDAC | Uniform Distribution & Accreditation Centre (established for the Sydney 2000 Olympics) |