| Acronym | Definition |
|---|
| ZM | Zambia (according to ISO) |
| ZM | Zusammenfassende Meldung (German: Summary Report) |
| ZM | Zen Meditation |
| ZM | Zu Mir (German Command) |
| ZM | Zeitgeist Movement |
| ZM | Zombie Mode (gaming, Counter-Strike) |
| ZM | Zone Message |
| ZM | Zone Marker (VHF Station Location Marker) |
| ZM | Zettameter (10^21, one sextillion) |
| ZM | Zeptometer (10^-21, one sextillionth) |
| ZM | Zuhair Murad (Lebanese fashion designer) |
| ZM | Zware Metalen (Dutch: Heavy Metal; music website and forum) |
| ZM | Zone Mixte (French: Mixed Zone; athlete interview area) |
| ZM | ZixMail |
| ZM | Zolid Matters (website) |