B6

B6 often refers to:


 * Vitamin B6

B6 may also refer to:

Automobiles

 * A generation of Audi A4, manufactured from 2001 to 2005
 * A fully armoured version of the Bentley Arnage Series Two RL
 * A member of the Mazda B engine series

Aircraft

 * Blackburn B.6 Shark, a British 1930s torpedo bomber
 * Keystone B-6, a United States Army Air Corps bomber
 * Lohner B.VI, an Austro-Hungarian World War 1 reconnaissance biplane
 * Nakajima B-6, Nakajima designation for Bréguet 14 built under licence in Japan
 * Republic B 6, Swedish designation for Republic 2PA fighter

Other vehicles

 * B6 (New York City bus), serving Brooklyn
 * Bavarian B VI, an 1863 German steam locomotive model
 * HMS B6, a submarine of the Royal Navy
 * HNOMS B-6, a submarine of Norway
 * LNER Class B6, a class of British steam locomotives

Roads

 * B6 road (Cyprus), a road on the island of Cyprus
 * B6 (Zimbabwe), a road in Zimbabwe
 * Bundesstraße 6, a national highway in Germany

Life sciences

 * Vitamin B6, a water-soluble compound pyridoxine which takes several forms
 * ATC code B06 Other hematological agents, a subgroup of the Anatomical Therapeutic Chemical Classification System
 * C57BL/6, an inbred mouse strain

Other uses

 * B6 (musician), a Chinese DJ and music producer
 * ISO_216, an ISO 216 paper size
 * JetBlue Airways (IATA code B6)
 * Bensen B-6, a small rotor kite from 1953
 * Pilcrow (¶) character, Url encoded version %B6
 * Proanthocyanidin B6, a B type proanthocyanidin
 * An international standard paper size (125×176 mm), defined in ISO 216
 * 6 amp, type B – a standard circuit breaker current rating, commonly used to protect domestic lighting rings
 * B6, Villa Park, referring to UK post code for Aston, Birmingham