| Acronym | Definition |
|---|
| FSZ➣Shizuoka (airport code; Japan) |
| FSZ➣Free Speech Zone |
| FSZ➣Farmland Security Zone (California farmland preservation legislation; est. 1998) |
| FSZ➣Flyers Skate Zone (ice skating facilities; New Jersey and Pennsylvania) |
| FSZ➣Fractional Shortening Z-Score (cardiology) |