JBS may refer to more than one thing:
- Japan Satellite Broadcasting, Japanese production company.
- JBS S.A. (Bovespa:JBSS3), the largest beef processor in South America and the world, and owner of Swift & Company in the U.S.
- Johanson-Blizzard syndrome, an inherited congenital disorder of the pancreas
- John Birch Society, an American anticommunist organization
- Journal Bearing Simulator, a piece of tribology equipment for measuring load bearing capacity of a lubricant oil in a journal bearing
- Journal of British Studies, published by the University of Chicago Press
- Judge Business School, a department of Cambridge University, England
- June Buchanan School, a private prep school in Pippa Passes, Kentucky
- John Bendor-Samuel, a British missionary linguist