BCCN stands for Bernstein Center for Computational Neuroscience (Göttingen, Germany)
BCCN stands for Border Collie Club Nederland (Dutch: Border Collie Club Netherlands; Netherlands)
BCCN stands for Boone County Community Network (est. 1995; Indiana)
BCCN stands for Bertrand Calenge: Carnet de Notes (French: Bertrand Calenge: Notebook; blog)
BCCN stands for Bridlewood Community Church of the Nazarene (Ottawa, Canada)
BCCN stands for Bureau de Contrôle des Chaudières Nucléaires (French: Office of Nuclear Control of Boilers)