IBZ
| Acronym | Definition |
|---|---|
| IBZ | Industrial Business Zone (New York, NY) |
| IBZ | Ibiza, Spain - Ibiza (Airport Code) |
| IBZ | Irreducible Brillouin Zone |
| IBZ | Ischemic Boundary Zone |
| IBZ | Inland Buffer Zone (Pictured Rocks National Lakeshore; Michigan) |
| IBZ | Internal Border-Zone (neurology) |