| UDC | Adobe Acrobat Spelling File 
| Others |
| UDC | U Dumb Cluck!
| Others |
| UDC | Uganda Development Corporation
| Others |
| UDC | Ugly Duckling Crew
| Others |
| UDC | Ukrainian Drift Championship
| Others |
| UDC | Ultimate Dodgeball Championship
| Others |
| UDC | Ultimate Drifting Challenge
| Others |
| UDC | Ultimate Drifting Championship
| Others |
| UDC | Umbrella for Democratic Change
| Others |
| UDC | Un Dated Cheque
| Others |
| UDC | Under Developed Countries
| Others |
| UDC | Under Dispenser Containment
| Others |
| UDC | Under-Developed Countries
| Others |
| UDC | Underwater Data Center
| Others |
| UDC | Unfinished Detached Carport
| Others |
| UDC | Unicycle Dot Com
| Others |
| UDC | Unified Development Code
| Others |
| UDC | Unified Drive Cycle
| Others |
| UDC | Uniform Distribution Center
| Others |
| UDC | Uniform Document Count
| Others |
| UDC | Union for Democratic Communications
| Others |
| UDC | Unit Descriptor Code
| Others |
| UDC | Unit Disciplinary Committee
| Others |
| UDC | United Daughters of the
| Others |
| UDC | United Daughters of the Confederacy
| Others |
| UDC | United Debt Counselors
| Others |
| UDC | United Discount Chemists
| Others |
| UDC | United Doberman Club
| Others |
| UDC | Universal Charger/Conditioner
| Others |
| UDC | Universal Data Capture
| Others |
| UDC | Universal Data Collection
| Others |
| UDC | Universal Data Connection
| Others |
| UDC | Universal Data Connector
| Others |
| UDC | Universal Data Controller
| Others |
| UDC | Universal Data Converter
| Others |
| UDC | Universal Decimal Classification
| Others |
| UDC | Universal Development and Construction
| Others |
| UDC | Universal Device Control
| Others |
| UDC | Universal Digit Channel
| Others |
| UDC | Universal Digital Channel
| Others |
| UDC | Universal Digital Controller
| Others |
| UDC | Universal Disk Controller
| Others |
| UDC | Universal Dispensing Coupler
| Others |
| UDC | Universal Display Corporation
| Others |
| UDC | Universal Dividend Currency
| Others |
| UDC | Universal Domain Controller
| Others |
| UDC | University Development Centre
| Others |
| UDC | University of the District of Columbia
| Others |
| UDC | Unlawful Discrimination Claim
| Others |
| UDC | Unlawful Discrimination Claims
| Others |
| UDC | Up Down Count
| Others |
| UDC | Up/Down Converter
| Others |
| UDC | Upper Dead Center
| Others |
| UDC | Upper Division Clerk
| Others |
| UDC | Urban Development Company
| Others |
| UDC | Urban Development Corporation
| Others |
| UDC | Urban District Commissioner
| Others |
| UDC | Urban District Committee
| Others |
| UDC | Urban District Council
| Others |
| UDC | Urban District Council (obsolete except in Ireland) now replaced by MBCsor Urban Development Corporation
| Others |
| UDC | Urban Drainage Company
| Others |
| UDC | Urban Drive Control
| Others |
| UDC | Urban Driving Cycle
| Others |
| UDC | Urban Duty Cycle
| Others |
| UDC | Urbana Daily Citizen
| Others |
| UDC | Usage Data Collector
| Others |
| UDC | User Data Channel
| Others |
| UDC | User Defined CaTCHER
| Others |
| UDC | User Defined Change
| Others |
| UDC | User Defined Character
| Others |
| UDC | User Defined Code
| Others |
| UDC | User Defined Codes
| Others |
| UDC | User Defined Command
| Others |
| UDC | User Defined Commands
| Others |
| UDC | User Directory Connector
| Others |
| UDC | Usual Diseases of Childhood
| Others |
| UDC | Utah Department of Correction
| Others |
| UDC | Utah Department of Corrections
| Others |
| UDC | Utila Dive Center
| Others |
| UDC | Utila Dive Centre
| Others |
| UDC | Utility Data Center
| Others |
| UDC | Utility Data Contractors
| Others |
| UDC | Utility Distribution Company
| Others |