BBN

BBN might refer to:

  • BBN Technologies, formerly Bolt, Beranek and Newman, a technology company in Cambridge, Massachusetts, best known for its work on packet switching technology and its construction of the Interface Message Processor - the first router
  • Bayesian belief network a probabilistic graphical model that represents a set of random variables and their conditional independencies via a directed acyclic graph (DAG)
  • Bible Broadcasting Network, a global Christian radio network headquartered in Charlotte, North Carolina
  • Big Bang nucleosynthesis
  • Big Brother Nigeria, a reality show which took place in Nigeria
  • Buckingham Browne & Nichols School (BB&N), a private school in Cambridge, Massachusetts
  • 9-Borabicyclononane (9-BBN), a reagent used in organic chemistry