N57 may refer to:
Roads
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N57 motorway (Netherlands)
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N57 road (Ireland), now the N26
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Nebraska Highway 57
Nebraska Highway 57 (N-57) is a highway in northeastern Nebraska, United States. It is divided into two segments, which combine for a length of . The southern segment begins northeast of Leigh at N-91 and ends at U.S. Highway 275 north of Stanton ...
, in the United States
Military
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N-57/OKB-16-57, an experimental Soviet autocannon
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Escadrille N57, a unit of the French Air Force
* , a submarine of the Royal Navy
Other uses
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N57 (Long Island bus)
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BMW N57
The BMW N57 is a family of aluminium, turbocharged straight-6 common rail diesel engines. The engines utilize variable geometry turbochargers and Bosch piezo-electric injectors. The engine jointly replaced the M57 straight-6 and M67 V8 engin ...
, an automobile engine
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New Garden Airport
New Garden Airport , also known as New Garden Flying Field, is a public airport located in Toughkenamon, Chester County, Pennsylvania (about southwest of Philadelphia).
The airport serves a large general aviation community, and offers maintena ...
, in Toughkenamon, Pennsylvania, United States
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