Crna or CRNA may refer to: * Centre en route de la navigation aérienne, air traffic control centres across France * Črna na Koroškem, a municipality in Slovenia *Cost-related nonadherence to medications, see Medication costs for a related article *Certified Registered Nurse Anesthetist, an advanced practice nurse with expertise in anesthesia in the United States * cRNA, RNA derived from cDNA through standard RNA synthesis * Center for Resilient Networks and Applications, a research institution in Oslo, Norway

See also