MBS may stand for:
In education:
- Master or Bachelor Scholarship, a general name for different international exchange programs, like Erasmus in Europe.
- Maha Bodhi School, a school in Singapore
- Manchester Business School, business school at the University of Manchester (UK)
- Mannheim Business School, at the University of Mannheim (Germany)
- Melbourne Business School, associated with the University of Melbourne, Australia
- Methodist Boys' School (Kuala Lumpur), a school in Kuala Lumpur, Malaysia
- Munich Business School, a private university in Munich, Germany
- Master of Business and Science, a Professional Science Masters degree offered by Rutgers University
- Master of Business Studies, a university qualification
Companies and organizations:
- Mainichi Broadcasting System, television and radio broadcaster in Osaka, Japan
- Maritime Broadcasting System, a broadcasting corporation in the three Atlantic provinces of Canada
- Mutual Broadcasting System, a defunct American radio network
- Mercey Brothers Sound, a defunct recording label
- The Motor Bus Society, a non-profit organization in the United States
- Marina Bay Sands, an integrated resort and casino in Singapore
Other:
- Marine Biology Simulation, a case study developed in Advanced Placement Computer Science courses
- MBS (hip hop), an Algerian rap/hip-hop band
- MBS International Airport, an airport that serves Midland, Bay City, and Saginaw, Michigan
- Medal for Bravery (Silver), an honour in Hong Kong
- Megabits per second, a rate of data transmission
- Micro Bill Systems, malware that disrupts computers and demands payment for services
- Mohan Bikram Singh, a Nepalese Communist leader
- Mortgage-backed security, a bond backed by mortgage payments
- Mercedes-Benz Superdome, the home stadium of the New Orleans Saints
- M&T Bank Stadium, the home stadium of the Baltimore Ravens