| Acronym | Definition |
|---|
| IFZ➣Institut für Zeitgeschichte (German: Institute of Contemporary History) |
| IFZ➣Industrial Free Zone |
| IFZ➣Internationale Fiscale Zaken (Dutch: International Tax Affairs; Netherlands) |
| IFZ➣Institut Français de Zagreb (French: French Institute of Zagreb; Zagreb, Croatia) |
| IFZ➣Input Flushed to Zero |
| IFZ➣Ikarus Flieger Zentrum (German: Icarus Aviation Centre; flying) |