MCZ
| 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) |