Acronyms and Abbreviations of Letter U
| Abbreviation / Acronym | Full-Form |
| UN | United Nations |
| UPS | Uninterruptible Power supply |
| UPSC | Union Public service commission |
| USA | United States of America |
| USB | Universal Serial Bus |
| UGC | University Grants Commission |
| UK | United Kingdom- A country |
| UK | Uttarakhand- A State of India |
| UKG | Upper Kindergarten |
| UNESCO | United Nations Educational Scientific and Cultural Organization |
| UNO | United Nations Organization |
| UV | Ultraviolet |
| UF | Ultrafiltration |
| UPA | United Progressive Alliance |
| USP | Unique Selling Proposition |
| UBB | Uniform Balance Book |
| UBD | Urban Banks Department |
| UBI | United Bank of India |
| UBIN | Unique Business Identification Number |
| UCB | Urban Cooperative Bank. |
| UCNs | Uniform Code Numbers |
| UCO Bank | United Commercial Bank |
| UDP | User Datagram Protocol |
| UEBA | Universal Electronic Bank Account. |
| UHF | Ultra-High Frequency |
| UI | User Interface |
| UIC | Unique Identification Code |
| UID | User Identification (internet- intranet- and server login accesses) |
| UIDAI | Unique Identification Authority of India |
| UKSA | United Kingdom Space Agency |
| UL | Upload |
| UML | Unified Modelling Language |
| UMTS | Universal Mobile Telecommunication System |
| UNDP | United Nations Development Programme |
| UNESCO | United Nations Educational, Scientific and Cultural Organization |
| UNICEF | United Nations Children’s Fund |
| UPA | United Progressive Alliance, United Production of America |
| UPDATE | Up-To-Date |
| UPI | Unified Payments Interface |
| UPIN | Unique Property Identification Numbers |
| UPS | United Parcel Service |
| URL | Uniform Resource Locator |
| USB | Universal Serial Bus – A computer hardware |
| USB | Ultra-Small Branch |
| USD | United States Dollar |
| USSD | Unstructured Supplementary Service Data |
| USSR | Union of Soviet Socialist Republics |
| UTI | Urinary Tract Infection- A medical terminology |
| UTI | Unit Trust of India |
| UX | User Experience |
| URS | User Requirement Specification |
| UPLC | Ultra-High Pressure Liquid Chromatography |
| UV-Vis | Ultraviolet–visible |
| USP | United States Pharmacopeia |
| USAN | United States adopted the name |
| UK | United Kingdom |
| UNIFEM | United Nations Development Fund for Women |
| XBA | European Composite Unit |
| XBB | European Monetary Unit |
| XL | eXtra Large |
| XCD | East Caribbean Dollar |
Acronyms and Abbreviations of Letter V
| Abbreviation / Acronym | Full-Form |
| VAT | Value Added Tax |
| VI | Vodafone-Idea |
| VIT | Vellore Institute of Technology |
| VPS | Virtual Private Server |
| VDU | Visual Display Unit |
| VFX | Visual Effects |
| VGA | Video Graphics Array |
| VIRUS | Vital Information Resources Under Seize |
| VSS | Volume Shadow Copy Service |
| VCFs | Venture Capital Funds |
| VCP | Village Credit Plan |
| VDB | Ventilated Disc Brake |
| VDBS | Vertically Differentiated Banking System |
| VGT | Variable Geometry Turbocharger |
| VHDL | VHSIC (Very High-Speed Integrated Circuit) Hardware Description Language |
| VHF | Very High Frequency |
| VIP | Vines Internet Protocol |
| VISA | charta visa, lit in Latin |
| VLC | Video LAN Client |
| VNT | Variable Nozzle Turbine |
| Vodafone | From Voice, Data, Telefone ( A Multinational Telecom company based UK) |
| VOIP | Voice Over Internet Protocol |
| Volkswagen | From The German For People’s Car |
| Volte | Voice over Long Term Evolution |
| Volvo | From The Latin Word Volvo, Which Means “ I Roll ” |
| VPA | Virtual Payment Address |
| VPI | Virtual Path Identifier |
| VRS | Voluntary Retirement Scheme |
| VTEC | Variable Valve Timing & Lift Electronic Control |
| VTU | Visvesvaraya Technological University |
| VTVT | Variable Timing Valve Train |
| VUB | Vseobecmi Uverova Banka |
| VVT | Variable Valve Timing |
| VVTI | Variable Valve Timing with intelligence |
| V/V | Volume by Volume- Unit for Concentration |
| V | Volts |
Acronyms and Abbreviations of Letter W
| Abbreviation / Acronym | Full-Form |
| WBC | White Blood Cell |
| WFH | Work From Home |
| WHO | World Health Organization |
| WIFI | Wireless Fidility |
| WLAN | Wireless Local Area Network |
| WPM | Words Per Minute |
| WTO | World Trade Organization |
| WBC | White Blood Cell- A medical termenology |
| WBC | World Boxing Council |
| WEF | With Effect From |
| WEF | World Economic Forum |
| WIFI | Wireless Fidelity |
| WWE | World Wrestling Entertainment |
| WWW | World Wide Web |
| Wal-Mart | Named After Founder Sam Walton |
| WAN | Wide Area Network |
| WAP | Wireless Application Protocol |
| WAV | Waveform Audio |
| WBCIS | Weather Based Crop Insurance Scheme |
| WBMP | Wireless Bitmap Image |
| WCDL | Working Capital Demand Loan |
| WCTL | Working Capital Term Loan |
| WD | Western Digital- It is Company who made Hard Drive |
| WFM | Works for Me |
| WGT | Waste Gas Turbocharger |
| WIN | Windows |
| WIN10 | Windws 10 |
| WIN7 | Windows 7 |
| WIN8 | Windows 8 |
| WINXP | Windows XP (eXPerience) |
| WIPRO | Western India Products |
| WL ATM | White Label ATM |
| WLAN | Wireless Local Area Network |
| WMA | Ways and Means Advances |
| WMA | Windows Media Audio |
| WML | Wireless Markup Language |
| WMP | Windows Media Player |
| WMV | Windows Media Video |
| WOS | Wholly Owned Subsidiary |
| WPA | Wi-Fi Protected Access |
| WPI | Wholesale Price Index |
| WRT | With Regard to |
| WTH | What the Hell |
| WTH | What the Heck |
| WWF | World Wide Fund for Nature |
| WWF | World Wrestling Federation |
| WH | Warehouse Department |
| wt. | Weight |
| W/V | Weight by Volume- Unit for Concentration |
| W.E | Writing Error |
| WIPO | World Intellectual Property Organization |
| w/o | Water-in-oil |
| w/o/w | Water-in-oil-in-water |
| w/v | Weight in volume |
| w/w | Weight in weight |
Acronyms and Abbreviations of Letter X
| Abbreviation / Acronym | Full-Form |
| XML | Extensible Markup Language |
| XMF | Extensible Music File |
| XMPP | Extensible Messaging and Presence Protocol |
Acronyms and Abbreviations of Letter Y
| Abbreviation / Acronym | Full-Form |
| YAHOO | Yet Another Hierarchy of Officious Oracle / Yet Another Hierarchically Organized Oracle |
| Yoga | Your Objective Guidelines and Assessment |
| YAM | Yet Another Meeting |
| YB | Yotta Byte |
| YiB | Yobi Byte |
| YMMD | You made my Day |
| YTM | Yield to Maturity |
| YMCA | Young Men’s Christian Association or Young Women’s Christian Association |
| YABSLAG | Yet another boy singing like a girl |
| Yb | Ytterbium |
| YD | People’s Democratic Republic of Yemen |
| YDS | Yosemite Decimal System (climbing) |
| YE | Yemen |
| YWMV | Your Wallet May Vary |
| YWCA | Young Women’s Christian Association |
| YPIO | Your Problem Is Obvious |
Acronyms and Abbreviations of Letter Z
| Abbreviation / Acronym | Full-Form |
| ZB | Zetta Byte |
| zW | Zeptowatt |
| ZW | Zettawatt |
| ZWD | Zimbabwe dollar (ISO 4217 currency code) |
| ZWE | Zimbabwe (ISO 3166 trigram) |
| zV | Zeptovolt |
| ZV | Zettavolt |
| zs | Zeptosecond |
| Zs | Zettasecond |
| ZS | Zettasiemens |
| zT | Zeptotesla |
| ZT | Zettatesla |
| Zi | Zebi |
| ZIF | Zero Insertion Force |
| ZIP | Zone Improvement Plan code |
| ZI | Zimbabwe (FIPS 10-4 country code) |
| ZMK | Zambian kwacha (ISO 4217 currency code) |
| ZCM | ZENworks Configuration Management |
| zC | Zeptocoulomb |
| ZC | Zettacoulomb |
| ZCMK | Zone Control Master Key |
| ZCU | Zimbabwe Cricket Union |
| ZIRP | Zero interest-rate policy |
| z | Zepto |
| Z | Zetta |
| za | Zhuang languages |
| zA | Zeptoampere |
| ZA | South Africa (ISO 3166 digram) |
| ZAMS | Zero age main sequence |
| ZAS | Zylinder Abschaltung System |
| ZA | Zettaampere |