| Acronym | Definition |
|---|
| MZ | Mozambique |
| MZ | Mainz (Germany) |
| MZ | Monozygotic |
| MZ | Mitteldeutsche Zeitung (German newspaper) |
| MZ | Mozillazine |
| MZ | Mach-Zehnder (interferometer) |
| MZ | Motorrad und Zweiradwerk (German: Motorcycle and Two-Wheeler Factory; also seen as MuZ) |
| MZ | Mark Zbikowski (an early DOS programmer whose initials are in EXE files) |
| MZ | Marble Zone (Sonic 1 level) |
| MZ | Magnetic Azimuth |
| MZ | Motorenwerke Zschopau (German motorbikeTM) |
| MZ | Metropolis Zone (Sonic 2 level) |
| MZ | Makkelijk Zat |
| MZ | Move Zig (For Great Justice; Zero Wing) |
| MZ | Mambo Zombies (band) |
| MZ | Monroy Zuñiga (Guatemala, freight cargo company) |
| MZ | Misfitz Clan (gaming clan) |