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