title: CNO
text: # CNO
  
  CNO may refer to:
  
  * $C/N_0,$ the carrier-to-noise-density ratio of a signal
  * Casualty notification officer, a person responsible for informing relatives of death or injury
  * Chief networking officer, a business role
  * Chief nursing officer, a nursing management position
  * Chief of Naval Operations, the head of the United States Navy
  * Chino Airport, in California, IATA symbol: CNO
  * Chronic nuisance ordinance, a law that aims to evict tenants for reporting crime
  * Cis-Neptunian object, an astronomical body within the orbit of Neptune
  * CNO cycle, a stellar nuclear fusion reaction
  * Coconut oil, an edible oil
  * Computer network operations, the optimization and use of digital telecommunications
  * CNO Financial Group, an American financial services holding company
  * CNO (gene), which encodes the protein cappuccino homolog
  * Clozapine N-oxide, a synthetic ligand which activates a receptor
  * Fulminate, a chemical compound containing the $CNO^−$ ion
  