HKM
The abbreviation HKM stands for:
- Hessian Ministry of Culture
- Hirsch copper and brass works, see Finow brass works
- Historical-critical method
- Hokejový klub mesta, various Slovak ice hockey clubs, mostly HKm Zvolen
- Reciprocating engine , the counterpart to the rotary piston engine
- Hüttenwerke Krupp Mannesmann
- Hypertrophic cardiomyopathy , also called hypertrophic cardiomyopathy (actually HCM), a disease of the heart muscle