N57 may refer to:

Roads

N57 motorway (Netherlands) N57, or rijksweg 57, is a 77 km long national road in the provinces of South Holland and Zeeland in the Netherlands. It is also known as the ''dammenroute'' (Route of dams). The N57 connects the city and the port of Rotterdam with Middelburg ...

N57 road (Ireland) The N26 road is a national primary road in northeast County Mayo in Ireland connecting the N5 road at Swinford with the N58 at Foxford and then on to the N59 road at Ballina.

, now the N26 *

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 Sta ...

, in the United States

Military

N-57/OKB-16-57 The N-57 (also called the OKB-16-57) was a 57 mm Soviet autocannon designed shortly after WWII by Alexander Nudelman, and tested on the prototype of the MiG-9 The Mikoyan-Gurevich MiG-9 (, USAF/DoD reporting names, USAF/DoD designation: Type 1 ...

, an experimental Soviet autocannon *

Escadrille N57 Escadrille MS 57 ''(Squadron Morane-Saulnier 57)'' of the French Air Force was founded during World War I, on 10 May 1915. They were reformed in 1953 as part of the French Navy '' Aéronavale'', and known as Escadrille 57S. They are currently a tr ...

, a unit of the French Air Force * , a submarine of the Royal Navy

Other uses

N57 (Long Island bus) The following bus routes are operated in Nassau County, New York. Most of these routes are operated under Nassau Inter-County Express (NICE), formerly MTA Long Island Bus, except in Greater Long Beach, where that city operates its own bus servi ...

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 engi ...

, an automobile engine *

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 mainten ...

, in Toughkenamon, Pennsylvania, United States {{Letter-NumberCombDisambig