CMH may refer to:
- CMH Records
- Cambridge Military Hospital
- GE ConstantColour Ceramic Metal Halide lamp.
- The IATA code for Port Columbus International Airport in Columbus, Ohio, USA
- "Congressional" Medal of Honor
- Creatine monohydrate
- Children's Memorial Hospital
- Children's Museum of Houston
- Cohen Modal Haplotype
- Consolidated Media Holdings
- Combined Military Hospital
- United States Army Center of Military History