MZA
| Acronym | Definition |
|---|---|
| MZA | Mendoza, Argentina (airport code) |
| MZA | Monozygotic (identical twins) |
| MZA | Madrid-Zaragoza-Alicante (railway company; est. 1856; Spain) |
| MZA | Michael Zanuck Agency (Agoura Hills, CA) |
| MZA | Miejskie Zaklady Autobusowe (Warsaw, Poland) |
| MZA | Microsoft Zero Administration |