MBS
- Alliance Manchester Business School
- CFTF-DT
- MBS (hip hop)
- MBS College of Crete
- MBS International Airport
- MBS Radio (Japan)
- MBS School of Planning and Architecture, New Delhi
- Mainichi Broadcasting System
- Majority bonus system
- Malaysia Bible Seminary
- Mannheim Business School
- Marina Bay Sands
- Maritime Broadcasting System
- Master of Business Studies
- Medal for Bravery (Silver)
- Medicare (Australia)
- Megabits per second
- Megabytes per second
- Melbourne Business School
- Mercey Brothers Sound
- Methodist Boys' School, Kuala Lumpur
- Metropolitan Beacon System
- Metropolitan Borough of Solihull
- Micro Bill Systems
- Minimum breaking strength
- Mohammed Ben Sulayem
- Mohammed bin Salman
- Mohan Bikram Singh
- Montpellier Business School
- Moroccan British Society
- Mortgage-backed security
- Motor Bus Society
- Multibody simulation
- Munich Business School
- Mutual Broadcasting System
- People's Television Network
- Sarangani language