BCU
- Awad Bing language
- BIOS
- Babish Culinary Universe
- Banco Central del Uruguay
- Basic command unit
- Bauchi State Airport
- Bengaluru City University
- Bethune–Cookman University
- Birmingham City University
- Briar Cliff University
- British Columbia United
- Bumilangit Cinematic Universe
- Business and Computer University
- Cantonal and University Library of Lausanne
- IBM Balanced Configuration Unit
- KNX (standard)
- Paddle UK