| Acronym | Definition |
|---|
| MCZ➣Momoiro Clover Z (Japanese female group) |
| MCZ➣Museum of Comparative Zoology (Harvard University, Cambridge, Massachusetts) |
| MCZ➣Marine Conservation Zone (UK) |
| MCZ➣Miedziowe Centrum Zdrowia (Polish: Copper Health Center; Poland) |
| MCZ➣Mystic Cave Zone (Sonic 2 level) |
| MCZ➣MySpace Content Zone (software product) |
| MCZ➣Management Consulting Zurich (Zurich, Switzerland) |