WSE

WSE may refer to:


 * Warsaw School of Economics
 * Warsaw Stock Exchange
 * Widescreen Enhanced (16:9 aspect ratio)
 * World Standard English
 * World Stock Exchange
 * Windows Security Essentials, a free antivirus product by Microsoft
 * Web search engine
 * Web Services Enhancements, an add-on to the Microsoft .NET Framework
 * Wall Street English
 * Whiting School of Engineering
 * Work and Social Economy department of the Flemish Government