BCU
- IBM Balanced Configuration Unit
- Basic Command Unit
- The British Canoe Union
- The IATA airport code for Bauchi, Nigeria
- Bus Coupling Unit
- Bygeniou City United
- Bethune-Cookman University
- Birmingham City University
- Business and Computer University, Lebanon
- Cantonal and University Library of Lausanne (Bibliothèque cantonale et universitaire de Lausanne), Lausanne