UPD
UPD is used in computing and administrative settings to denote an update of information or a database of unclaimed property, and it also labels specialized terms like underwater propulsion devices or university police departments.
Medical
Miscellaneous
Ultimate Performance and Design
Universal Provider Datasource
Under Potential Deposition
Universal Pairwise Distinguishability
United Pacific Distributors
Community
Governmental
Unit for the Promotion of Democracy (Organization of America
Unknown Purpose Defense
Unanimous Public Disorder
Unified Police Department
International
Academic & Science
Underwater Propulsion Device
University Police Department
University of the Philippines Diliman
Urban Planning and Design