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), 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, an experimental Soviet autocannon * Escadrille N57, a unit of the French Air Force * , a submarine of the Royal Navy

Other uses

* N57 (Long Island bus) *

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