BNF
BNF is an abbreviation for:
- Backus-Naur-Form or Backus-Normalform, a compact formal metasyntax (metalanguage)
- Baranof Island (IATA code for the seaplane base), an island belonging to the US state of Alaska
- Bibliothèque nationale de France , National Library of France in Paris
- Botswana National Front , a political party in Botswana
- Braniff International Airways , ICAO code of the US airline
- British National Formulary , a UK drug directory
- British Nuclear Fuels , the British nuclear company (BNFL)
- Belarusian National Front ( Partyja BNF ), a Belarusian party
- Contributions to name research also as "BNF NF.", A name and linguistic specialist journal
- Bangladesh Nationalist Front , a party in Bangladesh
- Benign fasciculation
