CMD may refer to:

• Camden Road railway station, a station in London, England (National Rail code: CMD)
• Canis Major Dwarf, a small galaxy orbiting the Milky Way
• Catastrophe à moyens dépassé, a French phrase meaning "disaster without sufficient rescue means"
• Center for Media and Democracy, an American media research group
• Central meridian distance, a geographical term
• Chairman and Managing Director, a managing director who is also the chairman of the same company
• Cincinnati Mighty Ducks, an American ice hockey team
• Congenital muscular dystrophy, a form of muscular dystrophy that is present from birth
• Coleg Meirion-Dwyfor, a college in Gwynedd, Wales
• Color-magnitude diagram, a scatter-graph of stars used by astronomers
• Creative Micro Designs, a computer hardware company

CMD is commonly used to mean "command":

• Command (computing), an abbreviation commonly used in computing
• Command key, a modifier key present on Apple Keyboards
• Command Prompt, the command-line interpreter on Windows operating systems
• CMD file (CP/M), the filename extension used by executable programs

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