GSZ
GSZ is an abbreviation for:
- German Society for Stem Cell Research
- Border signal fence , blocking and alarm fence of the GDR border troops, part of the barriers of the Berlin Wall and the inner German border
- Large Senate for Civil Matters of the Federal Court of Justice
- Green City of Zurich , service department of the City of Zurich, which is responsible for the construction and maintenance of urban green spaces
- Powiat Sztumski in Pomeranian Voivodeship, Poland (license plate)