VSTA

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