| Acronym | Definition |
|---|
| UID➣User Identification |
| UID➣Umsatzsteuer-Identifikationsnummer (German: Value Added Tax Number; EU) |
| UID➣User Identity |
| UID➣User Interface Design |
| UID➣User Identifier |
| UID➣University of Idaho |
| UID➣User Input Data |
| UID➣Undeclared Identifier |
| UID➣User Interface Definition |
| UID➣Unique Id |
| UID➣Unit Id |
| UID➣User Installable Drivers |
| UID➣Universal Instruction Design (education) |
| UID➣User Interaction Diagram |
| UID➣Unique Identifier/Identification |
| UID➣Universal Initializer Disk |
| UID➣Unpaid in Dispute |