CNM can refer to: CNM, IATA code for Cavern City Air Terminal, Carlsbad, New Mexico, US CNM, station code for Cheltenham Spa railway station in Cheltenham, UK cnm, ISO 639-3 code for the Chuj language Central New Mexico Community College, in Albuquerque, New Mexico, US Centronuclear myopathy, a congenital muscle disorder Certified Nurse‐Midwife, an American nursing certification Chetna Natya Manch, the "cultural troupe" of the Communist Party of India (Maoist) Consensual non-monogamy, a style of sexual relationship