B57 or B-57 may refer to:
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BMW B57, a turbo-diesel straight-six engine, produced by BMW since 2015
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Bundesstraße 57, a German road
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B57 (New York City bus) in Brooklyn
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B57 nuclear bomb
The B57 nuclear bomb was a tactical nuclear weapon developed by the United States during the Cold War.
Entering production in 1963 as the Mk 57, the bomb was designed to be dropped from high-speed tactical aircraft. It had a streamlined casing ...
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B-57 Canberra, a US-built version of the
English Electric Canberra bomber
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Volvo B57
Volvo B57 was a front-engined single-decker bus chassis manufactured by Volvo between 1966 and 1982. Since 1970 it was also available as the Volvo BB57, with the engine mounted on top of the front axle, giving the buses very little front overhan ...
, a bus
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Sicilian Defence
The Sicilian Defence is a chess opening that begins with the following moves:
:1. b:Chess Opening Theory/1. e4, e4 b:Chess Opening Theory/1. e4/1...c5, c5
The Sicilian is the most popular and best-scoring response to White's first move 1.e4. Ope ...
in the Encyclopaedia of Chess Openings
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HLA-B57
HLA-B57 (B57) is an HLA- B serotype. B57 is a split antigen from the B17 broad antigen, the sister serotype B58. The serotype identifies the more common HLA-B*58 gene products. (For terminology help see: HLA-serotype tutorial.) Like B58, B57 ...
, an HLA-B serotype
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