BX
BX is an abbreviation for:
- Base Exchange , see Army & Air Force Exchange Service
- Batroxobin , a synonym for the enzyme reptilase obtained from snake venom
- Berne eXchange , the exchange of the Swiss city of Bern
- Biopsy , a medical term for the removal and examination of material (mostly tissue) from a living organism
- Dogue de Bordeaux , a French breed of dogs recognized by the FCI
- Bremerhaven is the abbreviation for deep sea fishing vessels according to the list of fishing license plates in Germany
- British Transport Police , a special unit of the police in Great Britain for the field of rail transport
- Bronx , borough of New York
- Brunei , as a country code (Federal Information Processing Standard 10-4) and a former NATO code for the country
- Citroën BX , passenger car from the Citroën company
- Coast Air , a former Norwegian airline, headquartered in Haugesund according to the IATA code
- Intel 440BX , chipset for the microprocessors Pentium II, Pentium III and Celeron
BX as a distinguishing mark on license plates:
- Great Britain: Birmingham
- Netherlands: trucks weighing over 3.5 t
- Norway: Asker and Bærum in the province of Viken
- Sweden: diplomatic license plate for Iran
- Ukraine: Khmelnytskyi Oblast
