MZB
| Acronym | Definition |
|---|---|
| MZB | Marion Zimmer Bradley (author) |
| MZB | Museum Zoologicum Bogoriense (The Netherlands) |
| MZB | Mariazellerbahn (Austrian scenic narrow gauge railway) |
| MZB | Marginal-Zone B-Cell |
| MZB | Mutant Zombie Biker |
| MZB | Minnesota Zoological Board (Minnesota Zoological Garden) |