ZIR
| Acronym | Definition |
|---|---|
| ZIR | Zeitschrift Interne Revision |
| ZIR | Zachodniopomorska Izba Rolnicza (Polish: West Pomeranian Chamber of Agriculture; Poland) |
| ZIR | Zacks Investment Research, Inc. (Chicago, IL) |
| ZIR | Zone d'Activité d'Intérêt Régional (French: Regional Interest Activity Area) |