What is "cmn"

CMN or cmn may refer to:

Companies

• Constructions Mécaniques de Normandie, a shipyard in Cherbourg, France

Culture and education

• Centre des monuments nationaux, French heritage agency
• College of the Menominee Nation, community college in Wisconsin, USA

Media

• Canadian Monarchist News, journal of the Monarchist League of Canada
• Catholic Media Network, Philippines radio network

Other fields

• Certificate of medical necessity, in US healthcare
• Children's Miracle Network, children's charity
• Common Music Notation, open source musical notation software
• The IATA code for Mohammed V International Airport, Casablanca, Morocco
• The ISO 639-3 language code for Mandarin Chinese
• Carmarthen Railway Station (National Rail designation: CMN), in West Wales