B2, B02, B.II, B.2 or B-2 may refer to:

Transportation

Aircraft

* AEG B.II, a German aircraft during World War I *

Albatros B.II The Albatros B.II, (post-war company designation L.2) was an unarmed German two-seat reconnaissance biplane of the First World War. Design and development Designed by Robert Thelen based on his 1913 Albatros B.I, the B.II was the aircraft that ...

, a 1914 unarmed German two-seat reconnaissance biplane *

Aviatik B.II ''Note:'' Not to be confused with the Austro-Hungarian Aviatik B.II series 32, 32.7 and 34 which were different aircraft. The Aviatik B.II was a reconnaissance aircraft built in Germany during World War I. Design and development The (German) Av ...

, a 1915 German reconnaissance aircraft *

Blackburn B-2 The Blackburn B-2 was a biplane side-by-side trainer aircraft designed and produced by the British aviation manufacturer Blackburn Aircraft. It was designed as a successor to the Bluebird IV and was derived from it, thus the two aircraft sha ...

, a British biplane side-by-side trainer aircraft *

Brantly B-2 The Brantly B-2 is an American two-seat light helicopter produced by the Brantly Helicopter Corporation. Design and development After the failure of his first design, the Brantly B-1, Newby O. Brantly decided to design a simpler and less complic ...

, a helicopter *

Curtiss B-2 Condor The Curtiss B-2 Condor was a 1920s United States bomber aircraft. It was a descendant of the Martin NBS-1, which was built by the Curtiss Aeroplane and Motor Company for the Glenn L. Martin Company. There were a few differences, such as stron ...

, an American biplane bomber built before World War II * DFW B.II, a 1914 German aircraft * Euler B.II, a German Idflieg B-class designation aircraft * Farman B.2, a French Farman aircraft * Flanders B.2, a 1912 British experimental biplane *

Fokker B.II (1916) __NOTOC__ The Fokker M 10 was a two-seater reconnaissance / trainer biplane with single-bay wings equipped with wing-warping controls for roll, powered by a 7-cylinder 80 hp Oberursel U.0 engine. Several M 10 aircraft were purchased by the ...

, two different German unarmed observation aircraft of World War I * Fokker B.II (1923), a 1923 Dutch reconnaissance flying boat * Halberstadt B.II, a German Idflieg B-class designation aircraft * Lohner B.II * LVG B.II, a 1910s German two-seat reconnaissance biplane *

Northrop Grumman B-2 Spirit The Northrop (later Northrop Grumman) B-2 Spirit, also known as the Stealth Bomber, is an American heavy strategic bomber, featuring low-observable stealth technology designed to penetrate dense anti-aircraft defenses. A subsonic flying ...

, an American stealth bomber of the United States Air Force *

Avro Vulcan The Avro Vulcan (later Hawker Siddeley Vulcan from July 1963) is a jet-powered, tailless, delta-wing, high-altitude, strategic bomber, which was operated by the Royal Air Force (RAF) from 1956 until 1984. Aircraft manufacturer A.V. Roe and ...

B2, the Mark 2 version of a Royal Air Force V-Bomber aircraft * Any Mark 2 bomber aircraft under the

British military aircraft designation systems British military aircraft designations are used to refer to aircraft types and variants operated by the armed forces of the United Kingdom. Since the end of the First World War, aircraft types in British military service have generally been kn ...

Locomotives

* Alsace-Lorraine B 2, an

Alsace-Lorraine P 1 The Imperial German railways (''Reichseisenbahnen'') allocated various steam locomotives in Alsace-Lorraine to the P 1 class of engines as follows: ;Classification system from 1906/1912 *Alsace-Lorraine B 1 *Alsace-Lorraine B 2 *Alsace-Lorraine B 3 ...

class steam locomotive * Bavarian B II, an 1851 German steam locomotive model * GS&WR Class B2, a

Great Southern and Western Railway The Great Southern and Western Railway (GS&WR) was an Irish gauge () railway company in Ireland from 1844 until 1924. The GS&WR grew by building lines and making a series of takeovers, until in the late 19th and early 20th centuries it was the ...

Irish steam locomotive *

LB&SCR B2 class The London, Brighton and South Coast Railway (LB&SCR) B2 class was a class of small 4-4-0 steam locomotives intended for express passenger work on the LB&SCR London to Portsmouth line. They were designed by R. J. Billinton and built at Bright ...

, a British LB&SCR locomotive class *

GCR Class 1 The GCR Class 1 was a class of steam locomotives designed by John G. Robinson for the Great Central Railway, and introduced to service between December 1912 and 1913. In the 1923 grouping, they all passed to the London and North Eastern Railway ...

, classified B2 during ownership, reclassified B19 in 1945 * LNER Thompson Class B2, a British class of 4-6-0 steam locomotives rebuilt from B17s * NCC Class B2, a Northern Counties Committee Irish steam locomotive

Submarines

* , an American B-class submarine of the US Navy * , one of eleven British B class submarines of the Royal Navy

Roads

Other transport

* B2 (New York City bus) serving Brooklyn *Belavia, Belavia Belarusian Airlines (IATA airline designator code B2) * Marussia B2, a high-performance luxury sports coupé built by Russian automaker Marussia Motors *:zh:广州地铁南车株机B型电动列车, Guangzhou Metro CSR-Zhuzhou Class B EMU, internal callsign B2 for the first batch

Computing

* b2/cafelog, the precursor to the WordPress blogging software * B2evolution, a multi-lingual, multi-user, multi-blog publishing system forked from b2/cafelog * B2, a subclass of security level B as defined by TCSEC, Trusted Computer System Evaluation Criteria (TCSEC) standards * B2, a cloud-based object storage service provided by Backblaze

People and characters

* B2, the name of a character from the Dutch television series ''Bassie en Adriaan'' * B-2 or B² (B squared), the stage name used by wrestler Barry Buchanan * B2, one of a pair of bananas featured in the children's television show ''Bananas in Pyjamas'' * Birch Bayh (Birch Evans Bayh II)

Visas

* List of South Korean visas#B visas, South Korea B-2 visa, a tourist or transit visa granted by South Korea * B visa, United States B-2 visa, a non-immigrant visa granted by the United States of America

Biology

* ATC code B02 ''Antihemorrhagics'', a subgroup of the Anatomical Therapeutic Chemical Classification System * Bradykinin receptor B2, Bradykinin receptor B₂, a human gene * Proanthocyanidin B2, a B type proanthocyanidin * Thromboxane B2, an inactive metabolite/product of thromboxane A2 * Vitamin B2, Vitamin B₂

Other

* B2, a Postal code, postcode area in central Birmingham * B2 basketball league (Albania); see Albanian Basketball League * B2, an international standard paper size defined in ISO 216 measuring 500 mm × 707 mm * B2, a level in the Common European Framework of Reference for Languages * B2, a code used by the Town and country planning in the United Kingdom#Use classes, land use planning system in the UK * B2 star, a subclass of stellar classification, bluish-white B-class stars * B02, Alekhine's Defence chess code * B2 dye, also known as dyesol *B2 (classification), a Paralympic disability classification * Bi-2, a Russian rock band * B2 intermetallic compound with equal numbers of atoms of two metals * B2, an advanced model of battle droid in the Star Wars franchise * B2, a brand of Canadian retailer Browns Shoes