ZN
| Acronym | Definition |
|---|---|
| ZN | Zinc |
| ZN | Zone |
| ZN | Zona (Portuguese: zone; postal usage) |
| ZN | Zenith |
| ZN | Ziehl-Neelsen |
| ZN | Azimuth (celestial navigation) |
| ZN | Zelda Norge (Zelda Norway) |
| ZN | Zamboanga del Norte (Philippines) |
| ZN | Zodanet (internet services business) |
| ZN | Zero Noise |
| ZN | ZiffNet |
| ZN | Zhevakin - Naumov (profile) |
| ZN | Zanzibar Nationalist Party |
| ZN | Navy Airship Training Squadron (US Navy aviation unit designation used from 1940s to 1960s) |