VSTA (disambiguation)

VSTA may refer to:


 * Technology
 * Visual Studio Tools for Applications, set of app-customization tools
 * VSTa, an operating system
 * VSTA, the VAXstation Display Management Library


 * Other uses
 * Virus-Serum-Toxin Act, U.S. law passed in 1913 regulating animal vaccines
 * Victorian Secondary Teachers Association, trade union organisation which existed from 1953 to 1995