| Acronym | Definition |
|---|
| IZA➣International Zeolite Association |
| IZA➣Institut zur Zukunft der Arbeit (Institute for the Study of Labor) |
| IZA➣International Zinc Association |
| IZA➣Instituut Zorgverzekering Ambtenaren (Dutch: Instutute for Health Officials; Netherlands) |
| IZA➣Islamische Zentrum Aachen (German: Islamic Center in Aachen; Aachen, Germany) |