• Carnegie Mellon University in Pittsburgh, Pennsylvania, United States
• California Miramar University, a distance learning institution in San Diego, California
• Caribbean Medical University in Curaçao, Netherland Antilles
• Central Michigan University in Mount Pleasant, Michigan, United States
• Canadian Mennonite University in Winnipeg, Manitoba, Canada
• China Medical University in Shenyang, Liaoning, People's Republic of China
• China Medical University in Taichung, Taiwan, Republic of China (Taiwan)
• Chiang Mai University in Chiangmai, Thailand

CMU may also stand for:

• Concrete masonry unit, a concrete "block" used in construction
• Communication management unit, the router in an aircraft
• Computer Misuse Act 1990, in the UK
• College music update, a music business news service
• Couverture maladie universelle, a French public health program
• Coffman Memorial Union, the student activity center at the University of Minnesota.