BBN might refer to:
- Bayesian belief network, a probabilistic graphical model that represents a set of random variables and their conditional independencies via a directed acyclic graph
- Bible Broadcasting Network, a global Christian radio network headquartered in Charlotte, North Carolina
- Big Bang nucleosynthesis
- Big Blue Nation, the fan base of the University of Kentucky athletics programs
- Big Brother Naija, a Nigerian reality show
- Brevard Business News
- Buckingham Browne & Nichols School (BB&N), a private school in Cambridge, Massachusetts
- 9-Borabicyclo(3.3.1)nonane (9-BBN), a reagent used in organic chemistry
- The 3-letter code for Blackburn railway station in the UK
- Blackburn railway station, Melbourne
- Bengbu South railway station, China Railway pinyin code BBN
- Raytheon BBN Technologies, formerly Bolt, Beranek and Newman, a technology company in Cambridge, Massachusetts
- BBN Music, American music cooperation
- Beyond National Jurisdiction (BBN), United Nations Convention on the Law of the Sea
This disambiguation page lists articles associated with the title BBN.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: