WSI

WSI is an abbreviation for:

• Powiat Siedlecki in Poland as a license plate
• Wall Street Institute , commercially oriented English language school
• Walter Schottky Institute for Fundamentals of Semiconductor Physics at the Technical University of Munich
• Walther Schücking Institute for International Law at the Christian Albrechts University in Kiel
• Wilhelm Schickard Institute for Computer Science at the University of Tübingen
• Economic and Social Science Institute
• Wojskowe Służby Informacyjne , former Polish military intelligence service

This is a disambiguation page for differentiating between several terms identified with the same word.