UAA	Union of Associated Arts
UAA	Universal Application Architecture
UAB	Unit Accreditation Board
UAB	Unix AppleTalk Bridge
UAC	Unaccompanied Alien Child
UAC	Union Aerospace Corporation
UAC	United Africa Company
UAC	Universal Access Concentrator
UAC	Universal Access Control
UAC	Universal Automation Center
UAC	User Account Control
UAC	User Agent Client
UAD	Unit Authorization Document
UAE	United Arab Emirates
UAE	Unix Amiga Emulator
UAE	Unusable [later Unix] Amiga Emulator
UAE	[Microsoft Windows] Unrecoverable Application Error
UAF	Universal Authentication Framework
UAF	University of Alaska at Fairbanks
UAF	User Authorization File
UAG	Upper Atmosphere Geophysics
UAH	University of Alabama-Huntsville
UAI	Use As Is
UAJ	Union of Arab Jurists
UAJ	Universal Audio Jack
UAK	University of AlasKa
UAL	Unified Assembly Language
UAL	United Air Lines
UAM	Underwater to Air Missile
UAM	Unidentified Adult Male
UAM	Unified Authentication Model
UAM	User Authentication Method
UAN	Universal Access Number
UAN	User Access Node
UAO	Upper Airway Obstruction
UAP	Unexplained Aerial Phenomena
UAP	Unidentified Aerial Phenomena
UAP	United Australia Party
UAQ	Ukrainian Association for Quality
UAR	United Arab Republic
UAR	User Action Routine
UAS	UnAvailable Seconds
UAS	Understanding America Study
UAS	University Admissions System
UAS	University of American Samoa
UAS	Unmanned Aircraft System
UAS	Upper AirSpace
UAS	User Agent Server
UAS	User Application Software
UAT	Underwater Astronaut Trainer
UAT	Universal Access Transceiver
UAT	User Acceptance Testing
UAU	Unix for Advanced Users
UAV	Universally Accepted Value
UAV	Unmanned Aerial Vehicle
UAW	United Automobile Workers
UAX	Unicode AnneX
UAY	United Action for Youth
UAZ	University of AriZona
UBA	[DEC] UniBus Adapter
UBB	United Blacksmiths of Brittania
UBC	Unified Buffer Cache
UBC	United Broadcasting Corporation
UBC	Universal Bibliographic Control
UBC	University of a Billion Chinese
UBC	University of British Columbia
UBD	User Brain Damage
UBE	Unsolicited Bulk Email
UBF	Unilever Best Foods
UBF	University Be Free
UBG	Ultimate Bar Graph
UBH	Usenet Binary Harvester
UBI	Unidentified Beer Injury
UBI	Universal Basic Income
UBI	Unsorted Block Image
UBI	Uplink Block Identifier
UBI	Usage Billing Information
UBJ	Universal Bite Jumper
UBK	U Be Krazy
UBK	Uniform Body of Knowledge
UBK	United Bowhunters of Kentucky
UBL	Ultimate Band Listing
UBL	Universal Business Language
UBL	Usama Bin Ladin
UBM	Under-Bump Metallurgy
UBM	Unpressurized Berthing Mechanism
UBN	Ultranet Banner Network
UBO	Ultimate Beneficial Owner
UBO	Urban Box Office
UBP	Unified Backdoor Protocol
UBP	Universal Black Pages
UBQ	Unreal Beyond Quake
UBR	Uniform Business Rate
UBR	Unspecified Bit Rate
UBS	UnBilled Shipment
UBS	Union Bank of Switzerland
UBS	Union Broadcasting System
UBS	University Book Stores
UBT	United Bank and Trust
UBU	University of Bristol Union
UBV	Ultraviolet-Blue-Visual
UBV	Unique Business Value
UBW	Ultra Big Willy
UBX	Used Boat eXchange
UBY	Upward Bound Youth
UBZ	Ubuntu Below Zero
UBZ	Upper Border Zone
UCA	Unicode Collation Algorithm
UCA	University & College Admissions
UCA	[Utah] Unfair Competition Act
UCB	Unit Control Block
UCB	Universal Content Broker
UCB	University College, Belfast
UCB	University of California at Berkeley
UCC	Ubuntu Community Council
UCC	Unified Communication Center
UCC	Uniform Code Council
UCC	United Church of Christ
UCC	Upper Camel Case
UCC	Urban Cookie Collective
UCC	[USA] Uniform Commercial Code
UCD	Unicode Character Database
UCD	Uniform Call Distribution
UCD	University College, Dublin
UCD	University of California at Davis
UCD	User Centered Design
UCE	UnCorrectable Error
UCE	UnderCover Employee
UCE	Unitarian Church of Edmonton
UCE	Unsolicited Commercial Email
UCF	Underground Computing Foundation
UCF	United Cracking Force
UCF	University of Central Florida
UCF	Update Configuration File
UCG	Underground Coal Gasification
UCG	Unified Coordination Group
UCH	University College Hospital
UCI	United Capital Insurance
UCI	Universal Connector Interface
UCI	University of California at Irvine
UCJ	Utah Coalition for Justice
UCK	Ubuntu Customization Kit
UCK	Universal Correlation Key
UCL	UCL Compression Library
UCL	Unfair Competition Law
UCL	University College London
UCL	Upper Confidence Limit
UCL	Upper Control Limit
UCM	Universal Call Model
UCM	Universal Communications Module
UCN	Universal Character Name
UCN	User Circuit Number
UCO	University of Central Oklahoma
UCP	Ubuntu Certified Professional
UCP	Un-Coupling Protein
UCP	Universal Camouflage Pattern
UCP	Universal Computer Protocol
UCQ	Uni-Center Querenburg
UCR	UnderColor Removal
UCR	Uniform Crime Report
UCR	University of California at Riverside
UCS	Unconfined Compressive Strength
UCS	Unicode Conversion Support
UCS	Unified Computing and Servers
UCS	Uniform Chromatic Scale
UCS	Union of Concerned Scientists
UCS	Universal Character Set
UCS	User Control System
UCS	Utility Control System
UCT	Universal Chemical Technology
UCU	Ukrainian Catholic University
UCU	University and College Union
UCV	Ultra Clean Valve
UCV	United Confederate Veterans
UCW	Union of Communication Workers
UCX	UnderCar eXpress
UCY	Underwater Caves of the Yucatan
UCY	Union County YMCA
UCZ	Ultimate Combat Zone
UDA	Ulster Defence Association
UDA	Unified Driver Architecture
UDA	Universal Data Access
UDA	Universal Double-Agent
UDB	Unified DataBase
UDB	User DataBase
UDB	[IBM] [DB2] Universal DataBase
UDC	United Daughters of the Confederacy
UDC	Universal Decimal Classification
UDC	Universal Display Corporation
UDC	Urban Development Corporation
UDC	User-Defined Character
UDC	User-Defined Conversion
UDC	Utility Data Center
UDD	Ubuntu Distributed Development
UDD	United Front of Democracy against Dictatorship
UDD	User Data Document
UDE	UnDesirable Effect
UDE	Universal Data Exchange
UDE	Unix Desktop Environment
UDF	Ultra-Deep Field
UDF	United Defense Force
UDF	Universal Disk Format
UDF	User-Defined Function
UDG	User Defined Gateway
UDG	User-Defined Graphic
UDH	United Doctors Hospital
UDH	Unsigned Diffie-Hellman
UDH	User Data Headers
UDH	Utah Department of Health
UDI	Unapproved Data Item
UDI	Unified Display Interface
UDI	Uniform Driver Interface
UDI	Universal Debug Interface
UDI	Unrestricted Digital Information
UDJ	Ultimate Disk Jockey
UDJ	Union for Democracy and Justice
UDJ	Unwashed Denim Jacket
UDK	Unique Derived Keys
UDK	UnixWake & OpenServer Development Kit
UDL	Universal Data Link
UDL	User-Defined [String] Literal
UDM	Unified Dispersion Model
UDM	Uniform Data Model
UDM	Uniform Distance Matrix
UDM	Unit Deployment Manager
UDM	United Democratic Movement
UDM	United Digital Memory
UDM	Universal Data Model
UDM	Universal Diagnostic Monitor
UDM	Universal Docking Module
UDM	University of Detroit Mercy
UDM	Unpressurized Docking Mast
UDM	Unscheduled Depot Maintenance
UDM	Unstructured Data Management
UDM	User Data Module
UDM	User Defined Message
UDM	Utilities Database Management
UDN	Unique Device Name
UDN	Unreal Developer Network
UDO	Universal DOcument
UDO	User-Defined Object
UDP	Usenet Death Penalty
UDP	User Datagram Protocol
UDQ	University of Dayton Quarterly
UDR	Ulster Defence Regiment
UDR	Uni-Directional Replication
UDR	Universal Data Repository
UDR	Universal Data Representation
UDR	Upside Downside Ratio
UDR	Urban Desire Radio
UDR	Urgent Data Request
UDR	User Data Record
UDR	User Defined Report
UDR	User Desired Requirement
UDS	Ubuntu Developer Summit
UDT	Underwater Demolitions Team
UDT	Uniform Data Transfer
UDT	Unstructured Data Transfer
UDT	User Defined Type
UDT	User-defined Distinct Type
UDU	Ubuntu Down Under
UDU	UMA Data Unit
UDV	Unit Day Value
UDV	United Dairyfarmers of Victoria
UDV	United Distillers and Vintners
UDV	User Defined Variable
UDW	Uniformed Division White House
UDW	United Domestic Workers
UDW	Upside Down World
UDW	User Data Word
UDX	User Defined eXtensions
UDY	Union of Drugfree Youth
UDZ	Urban Development Zone
UEA	University of East Anglia
UEA	University of Easy Access
UEB	United Effort Brotherhood
UEB	United European Bank
UEB	University Executive Board
UEC	Ubuntu Enterprise Cloud
UEC	University of Electro-Communications
UEC	Uranium Energy Corporation
UEC	User Environment Component
UED	Unidirectional Error Detecting
UED	United Earth Directorate
UED	Universal Extra Dimension
UED	User Experience Design
UEE	Universilisation of Elementary Education
UEF	United Engineering Foundation
UEG	Unimobile E-mail Gateway
UEG	United Earth Government
UEG	United Extreme Gaming
UEG	Universal Energy Group
UEH	University Eye Hospital
UEH	Unstructured Exception Handling
UEH	Urban Environmental Health
UEI	[Java] United Emulator Interface
UEJ	Unattended Expendable Jammer
UEK	Underwater Electric Kite
UEK	Union of Evil Knights
UEK	United Elite Klan
UEL	Unit Eligibility Listing
UEL	Unit Equipment List
UEL	United Empire Loyalist
UEL	University Endowment Land
UEL	University of East London
UEL	Upper Earnings Limit
UEL	Upper Electrical Limit
UEL	Upper Explosive Limit
UEL	Upper Exposure Limit
UEL	Urban Environment League
UEM	Unified Endpoint Management
UEM	Unified Enterprise Ministry
UEM	United Evangelical Mission
UEM	Universal Energy Management
UEM	Urban Environment Management
UEM	Use Estimating Model
UEM	Utilities & Energy Manager
UEN	Unique Entity Number
UEN	United Earth Network
UEN	Used Equipment Network
UEN	Utah Education Network
UEO	Unit Executive Officer
UEO	User Experience Optimization
UEO	Utah Energy Office
UEP	Underwater Electromagnetic Potential
UEP	Underwoods Engineered Products, Limited
UEP	Undetected Error Probability
UEP	Unequal Error Protection
UEP	Uniform Error Property
UEP	Unitary Extension Principle
UEP	United Education Professions
UEP	United Effort Plan
UEP	United Egg Producers
UEP	United Elite Playaz
UEP	University of Eastern Philippines
UEP	Update Edit Process
UEQ	Universal Edge QAM
UER	Unscheduled Engine Removal
UES	United Engineering Society
UES	Upper East Side
UET	UHF ECCM Technique
UET	UnEncrypted Transport
UET	Uniform Efficiency Testing
UET	United Engineering Trustees
UET	Universal Engineer Tractor
UET	University of Engineering & Technology
UET	Use Every Time
UEU	Universal Exciter Upgrade
UEV	User End of Volume
UEW	Uncorrelated ELINT Workorder
UEX	Used Equipment eXchange
UEY	Understanding the Early Years
UEZ	Urban Enterprise Zone
UFA	Ubuntu For Android
UFB	United Federation of Britain
UFC	Ultimate Fighting Championship
UFC	Unrolling Factor computation under Constraints
UFD	Unexpected Form Data
UFD	Unit Fault Data
UFD	User File Directory
UFF	Ubuntu Font Family
UFF	Ulster Freedom Fighters
UFH	Ultralight Field Howitzer
UFI	User Friendly Interface
UFM	UserFriendly Media
UFN	Until Further Notice
UFO	Unidentified Flowing Orifice
UFO	Unidentified Flying Object
UFO	Uniform Fee Only
UFO	User-level File Organizer
UFR	Unsatisfactory Feature Report
UFS	Universal FileSystem
UFS	Unix File System
UFT	Unified Functional Test
UFT	Unsolicited File Transfer
UFW	Uncomplicated FireWall
UGA	University of Georgia, Athens
UGC	United Global Com
UGC	Uppsala General Catalog
UGC	User Generated Content
UGK	UnderGround Kings
UGL	Underslung Grenade Launcher
UGN	[Amiga] User Group Network
UGO	UnderGround Online
UGS	Uniformly Generated Set
UGV	Unmanned Ground Vehicle
UHC	Unified Hangul Code
UHE	Ultra High Efficiency
UHF	Ultra-High [radio] Frequency
UHF	Unrestricted Hartree-Fock
UHH	Unix-Haters Handbook
UHL	Universal Hypertext Link
UHM	Uniform Heterogeneous Multithreading
UHP	Ultra High Performance
UHP	Ultra-High Purity
UHQ	Unit HeadQuarters
UHS	Ubuntu Hardware Summit
UHS	Ultra High Speed
UHS	Universal [game] Hint System
UHV	Ultra High Voltage
UHV	Ultra-High Vacuum
UIA	Ukraine International Airlines
UIC	Union Internationale des [of] Chemins de fer [railroads]
UIC	Unit Identification Code
UIC	UPnP Implementers Corporation
UIC	User Identification Code
UID	Unit IDentification
UID	User IDentifier
UIL	User Interface Language
UIM	Unstructured Information Management
UIM	User Identity Module
UIN	Ubuntu Infrastructure Needs
UIN	Unique Item Number
UIO	Universal Input/Output
UIP	User Interface Program
UIR	Upper Information Region
UIS	Unifying Intelligence Strategy
UIS	Universal Identification System
UIT	Ultraviolet Imaging Telescope
ULA	Ulster Liberation Army
ULA	Uncommitted Logic Array
ULA	Unique Local Address
ULB	Ultimate Linux Box
ULB	Underwater Locator Beacon
ULC	Universal Life Church
ULD	Unified Linux Driver
ULD	Unit Load Device
ULF	Ultra Low Frequency
ULF	Unknown Life Form
ULL	Ultra Low Level
ULL	University Leisure and Lifestyle [Manager]
ULL	University of Louisiana at Lafayette
ULM	User Level Monitor
ULN	Universal Link Negotiation
ULP	Unit in the Last Place
ULP	Upper Layer Protocol
ULS	Ultra Large-Scale [Systems]
ULS	Universal Licensing System
ULS	User Level Synchronization
ULV	Ultra-Low Voltage
UMA	Unified Memory Architecture
UMA	Unified Mobile Access
UMA	Uniform Memory Access
UMA	Upper Memory Area
UMA	[Apple] Unified Motherboard Architecture
UMB	Upper Memory Block
UMC	Under Ministry Control
UMC	United Microelectronics Corporation
UMC	University Medical Center
UMC	Utrecht Medical Centre
UMD	Unacknowledged Mode Data
UMD	Unit Manning Document
UMD	Universal Media Disk
UMG	Ultra Mobile Group
UMG	Universal Management Gateway
UMG	Universal Music Group
UML	Ubersoft Marketing Language
UML	Unified Modeling Language
UML	University of Massachusetts Lowell
UML	User Mode Linux
UMM	Universal Media Module
UMM	Unix Macro Magician
UMN	Urban Metereological Network
UMR	Unsatisfactory Material Report
UMS	Unified Messaging Service
UMS	User Mode Scheduler
UMT	Universal Military Training
UMT	Universal MounT
UNC	Universal Naming Convention
UNC	University of North Carolina
UND	University of North Dakota
UNF	Universal Noises of Fucking
UNG	UNG's Not Gallery
UNH	University of New Hampshire
UNI	User Network Interface
UNL	University of Nebraska-Lincoln
UNO	United Nations Organisation
UNO	Universal Networked Objects
UNR	Ubuntu Netbook Remix
UNS	United Nations of Sol
UNS	User Name Server
UNT	University of North Texas
UOA	University Of Athens
UOB	United Overseas Bank
UOC	Ukrainian Orthodox Church
UOC	Usable On Code
UOE	User Operational Evaluation
UOF	Uniform Office Format
UOM	Unit Of Measurement
UOP	User OPeration
UOR	Urgent Operational Requirement
UOS	Ubuntu Online Summit
UOW	Ubuntu Open Week
UOW	UnixWare/OpenServer Watch
UPA	Urban Protection Agency
UPA	[SUN] Universal Port Architecture
UPC	Unit Production Cost
UPC	United Pan-Europe Communications
UPC	Universal Product Code
UPF	Union of Patriotic Forces
UPH	Units Per Hour
UPI	United Press International
UPL	User Program Language
UPM	Unified Process Mentors
UPM	Unit Price Marker
UPM	Universal Password Manager
UPM	Universal Planar Manipulator
UPM	Universal Plugin Manager
UPM	Unix Programmer's Manual
UPM	[Microsoft Windows] Unused Physical Memory
UPN	User Principal Name
UPO	Updated Path Ordering
UPP	Unified Printer Parameter [File]
UPP	Unit Production Price
UPR	Ubuntu Privacy Remix
UPR	University of Puerto Rico
UPR	User Preferred Routing
UPS	Ultraviolet Photoelectron Spectroscopy
UPS	Uninterrupted Power Supply
UPS	United Parcel Service
UPS	Unnamed Prepared Statement
UPT	Ubuntu Persian Translation
UPT	Ultimate Power Tie
UPT	Universal Personal Telecommunications
UPW	UltraPure Water
UPX	Unilever Private eXchange
UQM	Ur-Quan Masters
UQP	Unofficial Quotes Page
URA	UTRAN Registration Area
URB	USB Request Block
URC	Uniform Resource Characteristics
URE	UNO Runtime Environment
URE	Utah Rules of Evidence
URF	United Rescue Force
URI	Uniform Resource Identifier
URI	University of Rhode Island
URI	Upper Respiratory Infection
URL	Uniform Resource Locator
URM	United Republics of Mars
URM	User-Replaceable Module
URN	Uniform Resource Name
URR	Ultimate Recoverable Reserves
URR	Unplaced RFM Report
URR	Unscheduled Removal Rate
URT	Ugly Red Text
URT	Universal Remote Terminal
USA	Union of South Africa
USA	United States Army
USA	United States of America
USA	Universal Source of Acronyms
USA	Utilities Service Alert
USB	Universal Serial Bus
USB	Universal Systematic Binding
USB	Upper Side Band
USB	Usually Slightly Broken
USC	Ubuntu Software Centre
USC	Ultra Super Critical
USC	United Somali Congress
USC	United States Code
USC	University of South Carolina
USC	University of Southern California
USD	Underwriters Safety Device
USD	Union for Solidarity and Development
USD	United States Dollar
USD	Unix Software Development
USE	Univac Scientific Exchange
USE	Utilization Saturation and Errors
USF	Universal Server Farm
USF	University of San Francisco
USF	Uplink State Flag
USG	United States Government
USG	Unix Support Group
USI	United Space Industries
USI	Universal Scientific Industrial
USL	Universal Scalability Law
USL	Unix System Laboratories
USM	United States Mail
USN	Ubersoft Social Networking
USN	United States Navy
USO	Uniformed Services Organization
USO	United Service Organizations
USO	Universal Service Order
USO	Unix Software Operation
USP	Unique Selling Point
USP	Unique Selling Proposition
USP	United States Pharmacopeia
USP	United States Programs
USP	Universal Sampling Plan
USP	Utility Service Provider
USR	US Robotics
USR	User Service Routines
USS	Undercarriage Selector Switch
USS	United States Ship
USS	Universal Streaming Service
UST	Unresolved Sexual Tension
USV	Unmanned Surface Vehicle
UTA	United Talent Agency
UTC	Unicode Technial Committee
UTC	Unified Theory of Climate
UTC	Universal Time Coordinate
UTD	University of Texas in Dallas
UTE	User Test Environment
UTF	UCS Transformation Format
UTF	Unicode Transformation Format
UTF	Unit Test Framework
UTG	UnixWare Technology Group
UTI	Unique Trade Identifier
UTI	Urinary Tract Infection
UTL	Universal Text Link
UTM	Universal Transverse Mercator
UTM	Universal Turing Machine
UTP	Unshielded Twisted-Pair [cable]
UTR	Unicode Technical Report
UTR	UpTime Ratio
UTS	Unicode Technical Standard
UTS	Universal Telecommunications Solutions
UTS	University of Technology, Sydney
UTS	Unix Time Sharing
UTV	Ultimate TeleVision
UUG	Unix User Group
UUI	User-To-User Information
UUM	Universe-to-Universe Missile
UUP	Universal User Profile
UUT	Unit Under Test
UUV	Unmanned Underwater Vehicle
UVA	Unified Virtual Addressing
UVA	University of VirginiA
UVC	USB Video Class
UVD	Unified Video Decoder
UVE	User Validation Engine
UVF	Ulster Volunteer Force
UVL	Universal Videogame List
UVM	Unified Virtual Memory
UVM	Universal Virtual Machine
UVM	Used Virtual Memory
UVP	UnderVoltage Protection
UVS	UltraViolet Spectrometer
UWA	University of Western Australia
UWB	Ultra-Wide Band
UWC	University of the Western Cape
UWM	Ultimate Window Manager
UWP	Universal Windows Platform
UWR	Ultra Wideband Radio
UWS	Ultrix Workstation Software
UWS	Upper West Side
UXB	UneXploded Bomb
UXO	UneXploded Ordnance
UZC	Ultimate Zip Cracker
UZI	Universal Zealots, Inc.
UZI	Upheaval-Zombie Infestation
UZM	Unsaturated Zone Monitoring
UZN	United Zero Network
UZN	Universal Zulu Nation
UZO	Unimatrix Zero One
UZO	United Zomi Organisation
UZO	Urban Zoning Overlay
UZP	United Zeolite Products
UZP	Urease and Zirconium Phosphate
UZR	Ultimate Zone Rating
UZS	Undergraduate Zoological Society
UZS	Upper Zone Storage