- SZZ stands for Slovensky Zvaz Zahradkarov (Slovak: Slovak Association of Gardeners)
- SZZ stands for Slovensky Zivnostensky Zvaz (Slovak: Slovak Trade Union)
- SZZ stands for SinnerSchrader AG (stock symbol, Germany)
- SZZ stands for Szczecin, Poland – Goleniow (Airport Code)
- SZZ stands for Stichting Zwembaden Zaanstad (Dutch: Zaanstad Swimming Pools Foundation; Zaanstad, Netherlands)
- SZZ stands for Slovensko Zavarovalno Zdruzenje (Slovenian: Slovenian Insurance Association)
SZZ