CZI
| Acronym | Definition |
|---|---|
| CZI | Confederation of Zimbabwe Industries |
| CZI | Core Zone Inspection (aviation) |
| CZI | Count Zero Interrupt (computer programming; science fiction) |
| CZI | Christuszentrum Itzehoe |
| CZI | Certificat Zoosanitaire International (French: International Animal Health Certificate; international travel) |