Other
- Maidenhead Citadel Band of The Salvation Army
- Master Car Builders coupler, or Janney coupler, a type railroad coupling widely used in North America and elsewhere.
- MCB Tower, a skyscraper in Pakistan, owned by MCB Bank Limited
- McComb (Amtrak station), Mississippi, United States; Amtrak station code MCB
- Methodist College Belfast, a voluntary grammar school in Belfast, Northern Ireland
- The Muslim Council of Britain, an organisation promoting unity among traditional Muslims in the United Kingdom
- Movimiento Continental Bolivariano, Spanish name of the Bolivarian Continental Movement, a left-wing political movement in Latin America
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