CMK (disambiguation)

CMK may refer to:

• Central Milton Keynes, the central business district of Milton Keynes, Buckinghamshire, England
• Centralna Magistrala Kolejowa, a long railway line in Poland
• cmk, an extinct Chemakum language once spoken by the Chemakum (ISO 639:cmk)
• Croron Mein Khel, a Pakistani gameshow aired on BOL Entertainment
• Crabbet/Maynesboro/Kellogg, a label for specific lines of "Domestic" or "American-bred" Arabian horses