CNO

'''CNO''' may refer to: * C/N₀, 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 * CNO cycle, a stellar nuclear fusion reaction * Coconut oil, an edible oil * College of Nurses of Ontario, an Ontario professional regulatory body * 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 {{chem2|CNO-}} ion * Nitrile oxide, a chemical compound with the functional group RCNO

{{disambiguation}}