UDI
Template:Sister project UDI may refer to:
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Organisations
- Independent Democratic Union (Unión Demócrata Independiente), a political party in Chile
- Union of Democrats and Independents, a political party in France
- United Defense Industries, a supplier of land warfare systems, now part of BAE Systems Land and Armaments
- United Diving Instructors, a diver training organization
Technology
- Uniform Driver Interface, a project to develop portable device drivers
- Unified Display Interface, digital video interface specification based on DVI
- Universal Disk Image, a disk image format
- Unique Device Identification, a system that is intended to assign a unique identifier to medical devices within the United States
- Unrestricted Digital Information, a type of Circuit Switched Data Bearer Capability service commonly used with GSM cellular networks
Other uses
- Unilateral declaration of independence, an assertion of the independence of an aspiring state or states
- Rhodesia's Unilateral Declaration of Independence, in November 1965
- Mexican unidad de inversión, Mexican currency funds unit
- Universal design for instruction, an educational framework