FZS
| Acronym | Definition |
|---|---|
| FZS | Frankfurt Zoological Society |
| FZS | Fotografska Zveza Slovenije (Slovenian: Photographic Association of Slovenia) |
| FZS | Fort Zumwalt South (Missouri high school) |
| FZS | Fellow of the Zoological Society |
| FZS | freier zusammenschluss von studentInnenschaften eV (German: The National Unions of Students in Germany; Berlin, Germany) |
| FZS | Far Zone Scattering |
| FZS | Filatelisticna Zveza Slovenije (Slovenian: Philatelic Association of Slovenia) |