VA
VA, Va and variants may refer to:

Places
Vä, Sweden, a village
Vatican City (ISO 3166-1 country code VA)
Virginia, United States postal abbreviation

Businesses and organizations
Businesses
VA Software (also known as "VA Research" and "VA Linux Systems") a company that eventually became Geeknet
VA Tech Wabag, a company with headquarters in Austria and India
Virgin Atlantic, a worldwide airline owned by Richard Branson of the Virgin group
Virgin Australia (IATA code since 2011)
V Australia (IATA code 2009–2011)
Viasa (IATA code 1960–1997)

Organizations
United States Department of Veterans Affairs, a department of the US government
VA (Public & Science), Swedish scientific organisation
Vermont Academy, boarding and day high school in Saxtons River, VT
VA, post nominal letters of the Royal Order of Victoria and Albert
VA, nickname for the French association football club Valenciennes FC
Virtual airline (hobby), flight simulation hobby organization
Voluntary aided school, type of state-funded school in England and Wales

Media and entertainment
Va (film), a 2010 Tamil-language movie
Vampire Academy, series of 6 best-selling books
Victoria & Albert Museum, more usually given as "V&A"
Violent Apathy, punk rock band from Kalamazoo, MI
Virtual Adepts, a "tradition" in the role-playing game Mage: The Ascension
Virtual Analog, musical instruments that emulate analog synthesizers
Visual arts
Voice actor, actor who provides voices for animated characters or non-visual media

Science, technology, and mathematics
Biology and medicine
Valproic acid, an often-used anticonvulsant and mood-stabilizing drug
Vascular anomaly, in medicine
Ventral anterior nucleus, a component of the thalamus in the central nervous system
Ventricular arrhythmia
Visual acuity, a quantitative measure of visual perception

Computing and systems
.va, the country code top level domain (ccTLD) for the State of the Vatican City
Validation Authority, in public key infrastructure
Virtual address, a computer memory location in virtual address space
Vertical alignment, a technology used in a modern liquid-crystal display
Visual analytics, business intelligence visualization tools
Vulnerability assessment, the process of identifying and quantifying vulnerabilities in a system

Mathematics and physics
Vertex algebra
Vertical asymptote, in mathematics
Volt-ampere, the SI unit of apparent power measurement, equivalent to the watt

Space and aviation
VA, the design maneuvering speed of an aircraft
Vozvraschaemyi Apparat or VA spacecraft, a Soviet reentry vehicle

Other uses
Various Artists, used in the description of a music album which contains tracks that have been compiled from several different artists
Va people, an ethnic group in China and Myanmar
Value added, in economics
Variable annuity, a financial instrument
Vice admiral, a military rank
Virtual assistant, an independent contractor providing assistance to clients via the internet
Volatile acidity or vinegar taint, high acetic acidity in wine
Amateur radio callsign prefix for Canada, e.g. as in "VA1BOB"
Vá (footballer), Angolan footballer