MCB
MCB stands for:
- Main Control Block , a logical or physical control unit, for example in a control system
- Management Consultants Bradford Ltd , former name of the English publisher Emerald Group Publishing
- Marine Corps Base , a United States Marine Corps base, see list of US Marine Corps bases
- Mauritius Commercial Bank , the largest banking group in Mauritius
- McComb – Pike County Airport (IATA code), McComb Airport (Mississippi) , Mississippi
- Miniature circuit breaker , see circuit breaker
- Mission Culturelle de Bandiagara Malian organization
- Monochlorobenzene , a chlorobenzene
- Motor Company of Botswana , a former automobile manufacturer in Botswana
mcb stands for:
- Machiguenga (language) (ISO-639-3 code), Arawak language of the Machiguenga on the Río Urubamba and Río Manú, Peru