CMH
CMH stands for:
- Commentarii Mathematici Helvetici , publication organ of the Swiss Mathematical Society
- Congressional Medal of Honor , the highest honor awarded by the armed forces of the United States of America
- Port Columbus International Airport in the United States of America (IATA code)
- Cohen Modal Haplotype , a specific gene pattern on the Y chromosome; see Aaron of the Y chromosome
- United States Army Center of Military History , historical institution of the United States Department of Defense