CMH

CMH may refer to:

• The IATA code for John Glenn Columbus International Airport in Columbus, Ohio
• The National Rail station code for Cwmbach railway station in Rhondda Cynon Taf, Wales
• CMH Records
• Cambridge Military Hospital
• Canadian Mountain Holidays
• Canadian Museum of History
• United States Army Center of Military History
• Central Middlesex Hospital
• Ceramic discharge metal-halide lamp
• Children's Memorial Hospital
• Children's Museum of Houston
• Cohen Modal Haplotype
• Combined Military Hospital
• Combined Military Hospital (Dhaka)
• Community mental health
• Congressional Medal of Honor
• Consolidated Media Holdings
• Creatine monohydrate