title: ODN
text: # ODN
  
  ODN may refer to:
  
  * Optical Distribution Network, the physical fibre and optical devices that distribute signals to users in a telecommunications network.
  * Ordnance Datum Newlyn, the mean sea-level height datum in Great Britain.
  * CpG Oligodeoxynucleotide also known as a CpG ODN, a molecule with immunostimulatory properties.
  * Open DOS Navigator, an orthodox file manager for DOS
  * Orbital Data Network, a public safety satellite network.
  