VA

VA may be an abbreviation for:

* Vaidation Authority, in Public key infrastructure
* Value added, economic term meaning additional value of the product created on a given stage of production, marketing or other involved process
* Various Artists, a term used in the recording industry when multiple artists are featured in a work
* United States Department of Veterans Affairs, a department of the United States government
* Ventral anterior nucleus, a component of the thalamus in the central nervous system
* Veterans Health Administration, better abbreviated as "VHA", a sub-department of the United States Department of Veteran Affairs
* Victoria & Albert Museum, more usually given as "V&A"
* Virginia, United States postal abbreviation
* Visual acuity, a quantitative measure of visual perception
* Visual arts
* Virtual Adepts, a "Tradition" in the White Wolf, Inc. role-playing game

* Virtual airline
* Virtual assistant a independent contractor providing administrative, technical, or sometimes creative assistance to clients via the internet
* Virgin Atlantic, a successful worldwide airline owned by Richard Branson of the Virgin group.
* Virtual Analog, musical instruments that emulate sound of analog synthesisers using DSP techniques.
* Violent Apathy, punk rock band from Kalamazoo, MI
* Voice actor, an actor who provides voices for animated characters or non-visual media
* V Australia Airlines, IATA airline designator
* Volt-ampere, the SI unit of apparent power measurement, dimensionally equivalent to the watt
* Vulnerability assessment, is the process of identifying and quantifying vulnerabilities in a system.

VA or Va may also mean:

* Va people, an ethnic group in China and Myanmar
* VA Software (formerly "VA Linux Systems"), provider of the SourceForge Development Intelligence application
* Amateur Radio Callsign Prefix for Canada, e.g. as in "VA1BOB"
* Postnominal letters of the Royal Order of Victoria and Albert
* The V speed in aviation associated with design maneuvering speed.