B20

B20 may refer to:

Aircraft

• Blackburn B-20, a 1940 experimental aircraft
• Boeing Y1B-20, A Boeing experimental heavy bomber
• Douglas A-20 Havoc, designated the ZB-20 at the end of its life

Roads

• B20 motorway (Spain), a ring road around Barcelona in Catalonia
• B20 road (Cyprus)

Other uses

• B20 (biodiesel), a mixture composed of 20% of biodiesel with 80% of diesel
• B20 (bronze), bell bronze or bell metal, a kind of bronze used in bells and cymbals
• B20 (New York City bus) serving Brooklyn
• Berezin B-20, a 20 mm caliber autocannon used by Soviet aircraft in World War II
• Honda B20 engine
• Volvo B20 engine
• 20 amp, type B – a standard circuit breaker current rating
• Bravo Two Zero, an eight-man British Special Air Service patrol that was tasked with finding Iraqi Scud missile launchers during the Gulf War
• The designation number assigned to the coupe version of the Lancia Aurelia motorcar, produced between 1951 and 1958
• Sicilian Defense, Encyclopaedia of Chess Openings code
• Boron-20 (B-20 or ²⁰B), an isotope of boron
• Burroughs B20, a line of microcomputers
• Business 20, an offshoot of the G20, which hopes to present a forum for the world's largest companies to discuss global issues
  • B20 Summit, an international summit meeting of delegates from business groups around the world

See also

• B2O:
  • Boron monoxide, a chemical compound with the symbol B₂O
  • b2o: an online journal, an American peer-reviewed online journal