Crna

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