'Unique Item Identifier', a specific value in the IUID (Item Unique Identification) system used by the United States Department of Defense for the identification of accountable equipment according to DoD Instruction 5000.64
Aadhaar number, originally the Unique Identification Number, an initiative of the Unique Identification Authority of India (UIDAI) of the Indian government to create a unique ID for every Indian resident
uID Center, a nonprofit organization in Tokyo, Japan, responsible for the Ucode system for uniquely identifying real-world objects electronically
This disambiguation page lists articles associated with the title UID. If an internal link led you here, you may wish to change the link to point directly to the intended article.