ZZS
| Acronym | Definition |
|---|---|
| ZZS | Alliance of the Greens and Farmers Union (Latvia) |
| ZZS | Zdravniska Zbornica Slovenije (Slovenian: Medical Chamber of Slovenia) |
| ZZS | Zwolle-Zuid Schaakt (Dutch: Zwolle-Zuid Chess; chess club; Netherlands) |
| ZZS | Zadružna Zveza Slovenije (Cooperative Union of Slovenia) |