CMN
CMN means:
- the IATA code of Casablanca Airport
- the Chemins de fer des Montagnes Neuchâteloises , a former Swiss railway company integrated into the Transports Régionaux Neuchâtelois (TRN)
- a Clark's melanocytic nevus cell nevus , a brownish skin lesion as a potential precursor of malignant melanoma
- the French shipyard Constructions Mécaniques de Normandie in Cherbourg
- the former Italian car manufacturer Costruzioni Meccaniche Nazionali
- c ommon m ode n oise, see common mode interference
cmn stands for:
- Mandarin Chinese (ISO-639-3 code)
- Mandarin (language) (ISO-639-3 code)