ZN or Zn may refer to:
Science and technology
- Zinc, symbol Zn, a chemical element
- Azimuth, the angle between a reference plane and a point
- Zontanoi Nekroi, Greek hip hop group
- Zenith, the direction pointing directly above a particular location
- Zettanewton (ZN), an SI unit of force
- Ziehl–Neelsen stain, a special bacteriological stain used to identify acid-fast organisms
- Zn, a cyclic group
- ℤn, the ring of integers modulo n (modular arithmetic)
Other uses
- Air Bourbon (IATA airline designator)
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