Wikipedia
HMCS
HMCS may refer to:
- Her Majesty's Courts Service
- Her Majesty's Canadian Ship
- Her Majesty's Colonial Ship, see Her Majesty's Ship
- Senior Chief Hospital Corpsman, a United States Navy rate
- Hazardous Material Control System (see Workplace Hazardous Materials Information System)
- HMC Investment Securities
- Molybdenum cofactor sulfurtransferase, an enzyme